28781175

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12379}}^1$

素因数の和:12423

約数の個数: 24

約数和(自身を含む): 49123840

約数和(自身を除く): 20342665

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 12379, 37137, 61895, 185685, 309475, 383749, 928425, 1151247, 1918745, 5756235, 9593725, 28781175]

約数ペア:

[(1, 28781175), (3, 9593725), (5, 5756235), (15, 1918745), (25, 1151247), (31, 928425), (75, 383749), (93, 309475), (155, 185685), (465, 61895), (775, 37137), (2325, 12379)]