663975

素因数分解:

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

素因数の和:256

約数の個数: 36

約数和(自身を含む): 1286376

約数和(自身を除く): 622401

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 227, 325, 585, 681, 975, 1135, 2043, 2925, 2951, 3405, 5675, 8853, 10215, 14755, 17025, 26559, 44265, 51075, 73775, 132795, 221325, 663975]

約数ペア:

[(1, 663975), (3, 221325), (5, 132795), (9, 73775), (13, 51075), (15, 44265), (25, 26559), (39, 17025), (45, 14755), (65, 10215), (75, 8853), (117, 5675), (195, 3405), (225, 2951), (227, 2925), (325, 2043), (585, 1135), (681, 975)]