1279673025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{1103}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 2190336000

約数和(自身を除く): 910662975

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 499, 775, 1103, 1497, 2325, 2495, 3309, 5515, 7485, 12475, 15469, 16545, 27575, 34193, 37425, 46407, 77345, 82725, 102579, 170965, 232035, 386725, 512895, 550397, 854825, 1160175, 1651191, 2564475, 2751985, 8255955, 13759925, 17062307, 41279775, 51186921, 85311535, 255934605, 426557675, 1279673025]

約数ペア:

[(1, 1279673025), (3, 426557675), (5, 255934605), (15, 85311535), (25, 51186921), (31, 41279775), (75, 17062307), (93, 13759925), (155, 8255955), (465, 2751985), (499, 2564475), (775, 1651191), (1103, 1160175), (1497, 854825), (2325, 550397), (2495, 512895), (3309, 386725), (5515, 232035), (7485, 170965), (12475, 102579), (15469, 82725), (16545, 77345), (27575, 46407), (34193, 37425)]