73891209

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1699}}^1$

素因数の和:1837

約数の個数: 32

約数和(自身を含む): 119680000

約数和(自身を除く): 45788791

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 763, 1699, 2071, 2289, 5097, 6213, 11893, 14497, 32281, 35679, 43491, 96843, 185191, 225967, 555573, 677901, 1296337, 3518629, 3889011, 10555887, 24630403, 73891209]

約数ペア:

[(1, 73891209), (3, 24630403), (7, 10555887), (19, 3889011), (21, 3518629), (57, 1296337), (109, 677901), (133, 555573), (327, 225967), (399, 185191), (763, 96843), (1699, 43491), (2071, 35679), (2289, 32281), (5097, 14497), (6213, 11893)]