71687679

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 112072704

約数和(自身を除く): 40385025

約数列:

[1, 3, 7, 21, 73, 101, 219, 303, 463, 511, 707, 1389, 1533, 2121, 3241, 7373, 9723, 22119, 33799, 46763, 51611, 101397, 140289, 154833, 236593, 327341, 709779, 982023, 3413699, 10241097, 23895893, 71687679]

約数ペア:

[(1, 71687679), (3, 23895893), (7, 10241097), (21, 3413699), (73, 982023), (101, 709779), (219, 327341), (303, 236593), (463, 154833), (511, 140289), (707, 101397), (1389, 51611), (1533, 46763), (2121, 33799), (3241, 22119), (7373, 9723)]