856995

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 1505280

約数和(自身を除く): 648285

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 97, 155, 285, 291, 465, 485, 589, 1455, 1767, 1843, 2945, 3007, 5529, 8835, 9021, 9215, 15035, 27645, 45105, 57133, 171399, 285665, 856995]

約数ペア:

[(1, 856995), (3, 285665), (5, 171399), (15, 57133), (19, 45105), (31, 27645), (57, 15035), (93, 9215), (95, 9021), (97, 8835), (155, 5529), (285, 3007), (291, 2945), (465, 1843), (485, 1767), (589, 1455)]