17420805

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3001}}^1$

素因数の和:3058

約数の個数: 32

約数和(自身を含む): 31701120

約数和(自身を除く): 14280315

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 3001, 5805, 9003, 15005, 27009, 45015, 81027, 129043, 135045, 387129, 405135, 645215, 1161387, 1935645, 3484161, 5806935, 17420805]

約数ペア:

[(1, 17420805), (3, 5806935), (5, 3484161), (9, 1935645), (15, 1161387), (27, 645215), (43, 405135), (45, 387129), (129, 135045), (135, 129043), (215, 81027), (387, 45015), (645, 27009), (1161, 15005), (1935, 9003), (3001, 5805)]