12861225

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4397}}^1$

素因数の和:4426

約数の個数: 36

約数和(自身を含む): 24813516

約数和(自身を除く): 11952291

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 4397, 13191, 21985, 39573, 57161, 65955, 109925, 171483, 197865, 285805, 329775, 514449, 857415, 989325, 1429025, 2572245, 4287075, 12861225]

約数ペア:

[(1, 12861225), (3, 4287075), (5, 2572245), (9, 1429025), (13, 989325), (15, 857415), (25, 514449), (39, 329775), (45, 285805), (65, 197865), (75, 171483), (117, 109925), (195, 65955), (225, 57161), (325, 39573), (585, 21985), (975, 13191), (2925, 4397)]