231645315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 199456125

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 269, 307, 561, 807, 921, 935, 1345, 1535, 2805, 2959, 3377, 4035, 4573, 4605, 5219, 8877, 10131, 13719, 14795, 15657, 16885, 22865, 26095, 44385, 50303, 50655, 57409, 68595, 78285, 82583, 150909, 172227, 247749, 251515, 287045, 412915, 754545, 861135, 908413, 1238745, 1403911, 2725239, 4211733, 4542065, 7019555, 13626195, 15443021, 21058665, 46329063, 77215105, 231645315]

約数ペア:

[(1, 231645315), (3, 77215105), (5, 46329063), (11, 21058665), (15, 15443021), (17, 13626195), (33, 7019555), (51, 4542065), (55, 4211733), (85, 2725239), (165, 1403911), (187, 1238745), (255, 908413), (269, 861135), (307, 754545), (561, 412915), (807, 287045), (921, 251515), (935, 247749), (1345, 172227), (1535, 150909), (2805, 82583), (2959, 78285), (3377, 68595), (4035, 57409), (4573, 50655), (4605, 50303), (5219, 44385), (8877, 26095), (10131, 22865), (13719, 16885), (14795, 15657)]