221325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 395808

約数和(自身を除く): 174483

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 227, 325, 681, 975, 1135, 2951, 3405, 5675, 8853, 14755, 17025, 44265, 73775, 221325]

約数ペア:

[(1, 221325), (3, 73775), (5, 44265), (13, 17025), (15, 14755), (25, 8853), (39, 5675), (65, 3405), (75, 2951), (195, 1135), (227, 975), (325, 681)]