64905645

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 121642560

約数和(自身を除く): 56736915

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 233, 245, 379, 699, 735, 1137, 1165, 1631, 1895, 2653, 3495, 4893, 5685, 7959, 8155, 11417, 13265, 18571, 24465, 34251, 39795, 55713, 57085, 88307, 92855, 171255, 264921, 278565, 441535, 618149, 1324605, 1854447, 3090745, 4327043, 9272235, 12981129, 21635215, 64905645]

約数ペア:

[(1, 64905645), (3, 21635215), (5, 12981129), (7, 9272235), (15, 4327043), (21, 3090745), (35, 1854447), (49, 1324605), (105, 618149), (147, 441535), (233, 278565), (245, 264921), (379, 171255), (699, 92855), (735, 88307), (1137, 57085), (1165, 55713), (1631, 39795), (1895, 34251), (2653, 24465), (3495, 18571), (4893, 13265), (5685, 11417), (7959, 8155)]