13203675

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 25077760

約数和(自身を除く): 11874085

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 631, 675, 775, 837, 1395, 1893, 2325, 3155, 4185, 5679, 6975, 9465, 15775, 17037, 19561, 20925, 28395, 47325, 58683, 85185, 97805, 141975, 176049, 293415, 425925, 489025, 528147, 880245, 1467075, 2640735, 4401225, 13203675]

約数ペア:

[(1, 13203675), (3, 4401225), (5, 2640735), (9, 1467075), (15, 880245), (25, 528147), (27, 489025), (31, 425925), (45, 293415), (75, 176049), (93, 141975), (135, 97805), (155, 85185), (225, 58683), (279, 47325), (465, 28395), (631, 20925), (675, 19561), (775, 17037), (837, 15775), (1395, 9465), (1893, 6975), (2325, 5679), (3155, 4185)]