17971605

素因数分解:

$3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 14169195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 239, 557, 717, 1195, 1671, 2151, 2785, 3585, 5013, 6453, 8355, 10755, 15039, 25065, 32265, 75195, 133123, 399369, 665615, 1198107, 1996845, 3594321, 5990535, 17971605]

約数ペア:

[(1, 17971605), (3, 5990535), (5, 3594321), (9, 1996845), (15, 1198107), (27, 665615), (45, 399369), (135, 133123), (239, 75195), (557, 32265), (717, 25065), (1195, 15039), (1671, 10755), (2151, 8355), (2785, 6453), (3585, 5013)]