212153475

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{68993}}^1$

素因数の和:69047

約数の個数: 24

約数和(自身を含む): 359320752

約数和(自身を除く): 147167277

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 68993, 206979, 344965, 1034895, 1724825, 2828713, 5174475, 8486139, 14143565, 42430695, 70717825, 212153475]

約数ペア:

[(1, 212153475), (3, 70717825), (5, 42430695), (15, 14143565), (25, 8486139), (41, 5174475), (75, 2828713), (123, 1724825), (205, 1034895), (615, 344965), (1025, 206979), (3075, 68993)]