151781315

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 213497856

約数和(自身を除く): 61716541

約数列:

[1, 5, 7, 35, 71, 103, 355, 497, 515, 593, 721, 2485, 2965, 3605, 4151, 7313, 20755, 36565, 42103, 51191, 61079, 210515, 255955, 294721, 305395, 427553, 1473605, 2137765, 4336609, 21683045, 30356263, 151781315]

約数ペア:

[(1, 151781315), (5, 30356263), (7, 21683045), (35, 4336609), (71, 2137765), (103, 1473605), (355, 427553), (497, 305395), (515, 294721), (593, 255955), (721, 210515), (2485, 61079), (2965, 51191), (3605, 42103), (4151, 36565), (7313, 20755)]