31727115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2143}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 64217088

約数和(自身を除く): 32489973

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1645, 2115, 2143, 2961, 4935, 6429, 10715, 14805, 15001, 19287, 32145, 45003, 75005, 96435, 100721, 135009, 225015, 302163, 503605, 675045, 705047, 906489, 1510815, 2115141, 3525235, 4532445, 6345423, 10575705, 31727115]

約数ペア:

[(1, 31727115), (3, 10575705), (5, 6345423), (7, 4532445), (9, 3525235), (15, 2115141), (21, 1510815), (35, 906489), (45, 705047), (47, 675045), (63, 503605), (105, 302163), (141, 225015), (235, 135009), (315, 100721), (329, 96435), (423, 75005), (705, 45003), (987, 32145), (1645, 19287), (2115, 15001), (2143, 14805), (2961, 10715), (4935, 6429)]