210819915

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27397}}^1$

素因数の和:27433

約数の個数: 40

約数和(自身を含む): 397818960

約数和(自身を除く): 186999045

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 27397, 82191, 136985, 246573, 410955, 520543, 739719, 1232865, 1561629, 2219157, 2602715, 3698595, 4684887, 7808145, 11095785, 14054661, 23424435, 42163983, 70273305, 210819915]

約数ペア:

[(1, 210819915), (3, 70273305), (5, 42163983), (9, 23424435), (15, 14054661), (19, 11095785), (27, 7808145), (45, 4684887), (57, 3698595), (81, 2602715), (95, 2219157), (135, 1561629), (171, 1232865), (285, 739719), (405, 520543), (513, 410955), (855, 246573), (1539, 136985), (2565, 82191), (7695, 27397)]