189728955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 377395200

約数和(自身を除く): 187666245

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 59, 65, 69, 115, 117, 177, 195, 207, 239, 295, 299, 345, 531, 585, 717, 767, 885, 897, 1035, 1195, 1357, 1495, 2151, 2301, 2655, 2691, 3107, 3585, 3835, 4071, 4485, 5497, 6785, 6903, 9321, 10755, 11505, 12213, 13455, 14101, 15535, 16491, 17641, 20355, 27485, 27963, 34515, 42303, 46605, 49473, 52923, 61065, 70505, 71461, 82455, 88205, 126909, 139815, 158769, 183313, 211515, 214383, 247365, 264615, 324323, 357305, 549939, 634545, 643149, 793845, 916565, 972969, 1071915, 1621615, 1649817, 2749695, 2918907, 3215745, 4216199, 4864845, 8249085, 12648597, 14594535, 21080995, 37945791, 63242985, 189728955]

約数ペア:

[(1, 189728955), (3, 63242985), (5, 37945791), (9, 21080995), (13, 14594535), (15, 12648597), (23, 8249085), (39, 4864845), (45, 4216199), (59, 3215745), (65, 2918907), (69, 2749695), (115, 1649817), (117, 1621615), (177, 1071915), (195, 972969), (207, 916565), (239, 793845), (295, 643149), (299, 634545), (345, 549939), (531, 357305), (585, 324323), (717, 264615), (767, 247365), (885, 214383), (897, 211515), (1035, 183313), (1195, 158769), (1357, 139815), (1495, 126909), (2151, 88205), (2301, 82455), (2655, 71461), (2691, 70505), (3107, 61065), (3585, 52923), (3835, 49473), (4071, 46605), (4485, 42303), (5497, 34515), (6785, 27963), (6903, 27485), (9321, 20355), (10755, 17641), (11505, 16491), (12213, 15535), (13455, 14101)]