201955545

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 418037760

約数和(自身を除く): 216082215

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 41, 45, 55, 93, 99, 107, 123, 135, 155, 165, 205, 279, 297, 321, 341, 369, 451, 465, 495, 535, 615, 837, 963, 1023, 1107, 1177, 1271, 1353, 1395, 1485, 1605, 1705, 1845, 2255, 2889, 3069, 3317, 3531, 3813, 4059, 4185, 4387, 4815, 5115, 5535, 5885, 6355, 6765, 9207, 9951, 10593, 11439, 12177, 13161, 13981, 14445, 15345, 16585, 17655, 19065, 20295, 21935, 29853, 31779, 34317, 36487, 39483, 41943, 46035, 48257, 49755, 52965, 57195, 60885, 65805, 69905, 89559, 109461, 118449, 125829, 135997, 144771, 149265, 158895, 171585, 182435, 197415, 209715, 241285, 328383, 377487, 407991, 434313, 447795, 547305, 592245, 629145, 679985, 723855, 985149, 1223973, 1302939, 1495967, 1641915, 1887435, 2039955, 2171565, 3671919, 4487901, 4925745, 6119865, 6514695, 7479835, 13463703, 18359595, 22439505, 40391109, 67318515, 201955545]

約数ペア:

[(1, 201955545), (3, 67318515), (5, 40391109), (9, 22439505), (11, 18359595), (15, 13463703), (27, 7479835), (31, 6514695), (33, 6119865), (41, 4925745), (45, 4487901), (55, 3671919), (93, 2171565), (99, 2039955), (107, 1887435), (123, 1641915), (135, 1495967), (155, 1302939), (165, 1223973), (205, 985149), (279, 723855), (297, 679985), (321, 629145), (341, 592245), (369, 547305), (451, 447795), (465, 434313), (495, 407991), (535, 377487), (615, 328383), (837, 241285), (963, 209715), (1023, 197415), (1107, 182435), (1177, 171585), (1271, 158895), (1353, 149265), (1395, 144771), (1485, 135997), (1605, 125829), (1705, 118449), (1845, 109461), (2255, 89559), (2889, 69905), (3069, 65805), (3317, 60885), (3531, 57195), (3813, 52965), (4059, 49755), (4185, 48257), (4387, 46035), (4815, 41943), (5115, 39483), (5535, 36487), (5885, 34317), (6355, 31779), (6765, 29853), (9207, 21935), (9951, 20295), (10593, 19065), (11439, 17655), (12177, 16585), (13161, 15345), (13981, 14445)]