211636875

素因数分解:

$3^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{2753}}^1$

素因数の和:2817

約数の個数: 40

約数和(自身を含む): 361346832

約数和(自身を除く): 149709957

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 125, 205, 375, 615, 625, 1025, 1875, 2753, 3075, 5125, 8259, 13765, 15375, 25625, 41295, 68825, 76875, 112873, 206475, 338619, 344125, 564365, 1032375, 1693095, 1720625, 2821825, 5161875, 8465475, 14109125, 42327375, 70545625, 211636875]

約数ペア:

[(1, 211636875), (3, 70545625), (5, 42327375), (15, 14109125), (25, 8465475), (41, 5161875), (75, 2821825), (123, 1720625), (125, 1693095), (205, 1032375), (375, 564365), (615, 344125), (625, 338619), (1025, 206475), (1875, 112873), (2753, 76875), (3075, 68825), (5125, 41295), (8259, 25625), (13765, 15375)]