31423245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{829}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 60716160

約数和(自身を除く): 29292915

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 361, 399, 665, 829, 1083, 1805, 1995, 2487, 2527, 4145, 5415, 5803, 7581, 12435, 12635, 15751, 17409, 29015, 37905, 47253, 78755, 87045, 110257, 236265, 299269, 330771, 551285, 897807, 1496345, 1653855, 2094883, 4489035, 6284649, 10474415, 31423245]

約数ペア:

[(1, 31423245), (3, 10474415), (5, 6284649), (7, 4489035), (15, 2094883), (19, 1653855), (21, 1496345), (35, 897807), (57, 551285), (95, 330771), (105, 299269), (133, 236265), (285, 110257), (361, 87045), (399, 78755), (665, 47253), (829, 37905), (1083, 29015), (1805, 17409), (1995, 15751), (2487, 12635), (2527, 12435), (4145, 7581), (5415, 5803)]