78068715

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2081}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 130116672

約数和(自身を除く): 52047957

約数列:

[1, 3, 5, 15, 41, 61, 123, 183, 205, 305, 615, 915, 2081, 2501, 6243, 7503, 10405, 12505, 31215, 37515, 85321, 126941, 255963, 380823, 426605, 634705, 1279815, 1904115, 5204581, 15613743, 26022905, 78068715]

約数ペア:

[(1, 78068715), (3, 26022905), (5, 15613743), (15, 5204581), (41, 1904115), (61, 1279815), (123, 634705), (183, 426605), (205, 380823), (305, 255963), (615, 126941), (915, 85321), (2081, 37515), (2501, 31215), (6243, 12505), (7503, 10405)]