40897215

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 77076480

約数和(自身を除く): 36179265

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 855, 1395, 1543, 1767, 2945, 4629, 5301, 7715, 8835, 13887, 23145, 26505, 29317, 47833, 69435, 87951, 143499, 146585, 239165, 263853, 430497, 439755, 717495, 908827, 1319265, 2152485, 2726481, 4544135, 8179443, 13632405, 40897215]

約数ペア:

[(1, 40897215), (3, 13632405), (5, 8179443), (9, 4544135), (15, 2726481), (19, 2152485), (31, 1319265), (45, 908827), (57, 717495), (93, 439755), (95, 430497), (155, 263853), (171, 239165), (279, 146585), (285, 143499), (465, 87951), (589, 69435), (855, 47833), (1395, 29317), (1543, 26505), (1767, 23145), (2945, 13887), (4629, 8835), (5301, 7715)]