31605015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2657}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 55371456

約数和(自身を除く): 23766441

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 2657, 3965, 7971, 11895, 13285, 34541, 39855, 103623, 162077, 172705, 486231, 518115, 810385, 2107001, 2431155, 6321003, 10535005, 31605015]

約数ペア:

[(1, 31605015), (3, 10535005), (5, 6321003), (13, 2431155), (15, 2107001), (39, 810385), (61, 518115), (65, 486231), (183, 172705), (195, 162077), (305, 103623), (793, 39855), (915, 34541), (2379, 13285), (2657, 11895), (3965, 7971)]