87642915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1699}}^1$

素因数の和:1907

約数の個数: 32

約数和(自身を含む): 148512000

約数和(自身を除く): 60869085

約数列:

[1, 3, 5, 15, 19, 57, 95, 181, 285, 543, 905, 1699, 2715, 3439, 5097, 8495, 10317, 17195, 25485, 32281, 51585, 96843, 161405, 307519, 484215, 922557, 1537595, 4612785, 5842861, 17528583, 29214305, 87642915]

約数ペア:

[(1, 87642915), (3, 29214305), (5, 17528583), (15, 5842861), (19, 4612785), (57, 1537595), (95, 922557), (181, 484215), (285, 307519), (543, 161405), (905, 96843), (1699, 51585), (2715, 32281), (3439, 25485), (5097, 17195), (8495, 10317)]