420882675

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{79039}}^1$

素因数の和:79123

約数の個数: 24

約数和(自身を含む): 705669120

約数和(自身を除く): 284786445

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 79039, 237117, 395195, 1185585, 1975975, 5611769, 5927925, 16835307, 28058845, 84176535, 140294225, 420882675]

約数ペア:

[(1, 420882675), (3, 140294225), (5, 84176535), (15, 28058845), (25, 16835307), (71, 5927925), (75, 5611769), (213, 1975975), (355, 1185585), (1065, 395195), (1775, 237117), (5325, 79039)]