15690645

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 12613995

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1637, 1917, 3195, 4911, 8185, 9585, 14733, 24555, 44199, 73665, 116227, 220995, 348681, 581135, 1046043, 1743405, 3138129, 5230215, 15690645]

約数ペア:

[(1, 15690645), (3, 5230215), (5, 3138129), (9, 1743405), (15, 1046043), (27, 581135), (45, 348681), (71, 220995), (135, 116227), (213, 73665), (355, 44199), (639, 24555), (1065, 14733), (1637, 9585), (1917, 8185), (3195, 4911)]