72506985

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{739}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 120483840

約数和(自身を除く): 47976855

約数列:

[1, 3, 5, 15, 31, 93, 155, 211, 465, 633, 739, 1055, 2217, 3165, 3695, 6541, 11085, 19623, 22909, 32705, 68727, 98115, 114545, 155929, 343635, 467787, 779645, 2338935, 4833799, 14501397, 24168995, 72506985]

約数ペア:

[(1, 72506985), (3, 24168995), (5, 14501397), (15, 4833799), (31, 2338935), (93, 779645), (155, 467787), (211, 343635), (465, 155929), (633, 114545), (739, 98115), (1055, 68727), (2217, 32705), (3165, 22909), (3695, 19623), (6541, 11085)]