4287255

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 8426880

約数和(自身を除く): 4139625

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 307, 399, 665, 735, 921, 931, 1535, 1995, 2149, 2793, 4605, 4655, 5833, 6447, 10745, 13965, 15043, 17499, 29165, 32235, 40831, 45129, 75215, 87495, 122493, 204155, 225645, 285817, 612465, 857451, 1429085, 4287255]

約数ペア:

[(1, 4287255), (3, 1429085), (5, 857451), (7, 612465), (15, 285817), (19, 225645), (21, 204155), (35, 122493), (49, 87495), (57, 75215), (95, 45129), (105, 40831), (133, 32235), (147, 29165), (245, 17499), (285, 15043), (307, 13965), (399, 10745), (665, 6447), (735, 5833), (921, 4655), (931, 4605), (1535, 2793), (1995, 2149)]