28364115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 50174208

約数和(自身を除く): 21810093

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 167, 169, 195, 201, 335, 501, 507, 835, 845, 871, 1005, 2171, 2505, 2535, 2613, 4355, 6513, 10855, 11189, 11323, 13065, 28223, 32565, 33567, 33969, 55945, 56615, 84669, 141115, 145457, 167835, 169845, 423345, 436371, 727285, 1890941, 2181855, 5672823, 9454705, 28364115]

約数ペア:

[(1, 28364115), (3, 9454705), (5, 5672823), (13, 2181855), (15, 1890941), (39, 727285), (65, 436371), (67, 423345), (167, 169845), (169, 167835), (195, 145457), (201, 141115), (335, 84669), (501, 56615), (507, 55945), (835, 33969), (845, 33567), (871, 32565), (1005, 28223), (2171, 13065), (2505, 11323), (2535, 11189), (2613, 10855), (4355, 6513)]