215041449

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 373248000

約数和(自身を除く): 158206551

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 323, 343, 357, 399, 647, 833, 931, 969, 1029, 1941, 2261, 2499, 2793, 4529, 5831, 6517, 6783, 10999, 12293, 13587, 15827, 17493, 19551, 31703, 32997, 36879, 47481, 76993, 86051, 95109, 110789, 208981, 221921, 230979, 258153, 332367, 538951, 602357, 626943, 665763, 1462867, 1616853, 1807071, 3772657, 4216499, 4388601, 10240069, 11317971, 12649497, 30720207, 71680483, 215041449]

約数ペア:

[(1, 215041449), (3, 71680483), (7, 30720207), (17, 12649497), (19, 11317971), (21, 10240069), (49, 4388601), (51, 4216499), (57, 3772657), (119, 1807071), (133, 1616853), (147, 1462867), (323, 665763), (343, 626943), (357, 602357), (399, 538951), (647, 332367), (833, 258153), (931, 230979), (969, 221921), (1029, 208981), (1941, 110789), (2261, 95109), (2499, 86051), (2793, 76993), (4529, 47481), (5831, 36879), (6517, 32997), (6783, 31703), (10999, 19551), (12293, 17493), (13587, 15827)]