203473305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 423641088

約数和(自身を除く): 220167783

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 67, 93, 105, 155, 201, 217, 279, 311, 315, 335, 465, 469, 603, 651, 933, 1005, 1085, 1395, 1407, 1555, 1953, 2077, 2177, 2345, 2799, 3015, 3255, 4221, 4665, 6231, 6531, 7035, 9641, 9765, 10385, 10885, 13995, 14539, 18693, 19593, 20837, 21105, 28923, 31155, 32655, 43617, 48205, 62511, 67487, 72695, 86769, 93465, 97965, 104185, 130851, 144615, 145859, 187533, 202461, 218085, 312555, 337435, 433845, 437577, 607383, 645947, 654255, 729295, 937665, 1012305, 1312731, 1937841, 2187885, 3036915, 3229735, 4521629, 5813523, 6563655, 9689205, 13564887, 22608145, 29067615, 40694661, 67824435, 203473305]

約数ペア:

[(1, 203473305), (3, 67824435), (5, 40694661), (7, 29067615), (9, 22608145), (15, 13564887), (21, 9689205), (31, 6563655), (35, 5813523), (45, 4521629), (63, 3229735), (67, 3036915), (93, 2187885), (105, 1937841), (155, 1312731), (201, 1012305), (217, 937665), (279, 729295), (311, 654255), (315, 645947), (335, 607383), (465, 437577), (469, 433845), (603, 337435), (651, 312555), (933, 218085), (1005, 202461), (1085, 187533), (1395, 145859), (1407, 144615), (1555, 130851), (1953, 104185), (2077, 97965), (2177, 93465), (2345, 86769), (2799, 72695), (3015, 67487), (3255, 62511), (4221, 48205), (4665, 43617), (6231, 32655), (6531, 31155), (7035, 28923), (9641, 21105), (9765, 20837), (10385, 19593), (10885, 18693), (13995, 14539)]