64571367

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 107433600

約数和(自身を除く): 42862233

約数列:

[1, 3, 7, 19, 21, 49, 57, 61, 133, 147, 183, 379, 399, 427, 931, 1137, 1159, 1281, 2653, 2793, 2989, 3477, 7201, 7959, 8113, 8967, 18571, 21603, 23119, 24339, 50407, 55713, 56791, 69357, 151221, 161833, 170373, 352849, 439261, 485499, 1058547, 1132831, 1317783, 3074827, 3398493, 9224481, 21523789, 64571367]

約数ペア:

[(1, 64571367), (3, 21523789), (7, 9224481), (19, 3398493), (21, 3074827), (49, 1317783), (57, 1132831), (61, 1058547), (133, 485499), (147, 439261), (183, 352849), (379, 170373), (399, 161833), (427, 151221), (931, 69357), (1137, 56791), (1159, 55713), (1281, 50407), (2653, 24339), (2793, 23119), (2989, 21603), (3477, 18571), (7201, 8967), (7959, 8113)]