87989475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8821}}^1$

素因数の和:8860

約数の個数: 48

約数和(自身を含む): 175028480

約数和(自身を除く): 87039005

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 8821, 9975, 26463, 44105, 61747, 132315, 167599, 185241, 220525, 308735, 502797, 661575, 837995, 926205, 1173193, 1543675, 2513985, 3519579, 4189975, 4631025, 5865965, 12569925, 17597895, 29329825, 87989475]

約数ペア:

[(1, 87989475), (3, 29329825), (5, 17597895), (7, 12569925), (15, 5865965), (19, 4631025), (21, 4189975), (25, 3519579), (35, 2513985), (57, 1543675), (75, 1173193), (95, 926205), (105, 837995), (133, 661575), (175, 502797), (285, 308735), (399, 220525), (475, 185241), (525, 167599), (665, 132315), (1425, 61747), (1995, 44105), (3325, 26463), (8821, 9975)]