149243775

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{28027}}^1$

素因数の和:28111

約数の個数: 24

約数和(自身を含む): 250233984

約数和(自身を除く): 100990209

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 28027, 84081, 140135, 420405, 700675, 1989917, 2102025, 5969751, 9949585, 29848755, 49747925, 149243775]

約数ペア:

[(1, 149243775), (3, 49747925), (5, 29848755), (15, 9949585), (25, 5969751), (71, 2102025), (75, 1989917), (213, 700675), (355, 420405), (1065, 140135), (1775, 84081), (5325, 28027)]