28335783

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1511}}^1$

素因数の和:1587

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 18112857

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 1511, 2679, 4533, 6251, 10577, 18753, 28709, 31731, 71017, 86127, 200963, 213051, 497119, 602889, 1349323, 1491357, 4047969, 9445261, 28335783]

約数ペア:

[(1, 28335783), (3, 9445261), (7, 4047969), (19, 1491357), (21, 1349323), (47, 602889), (57, 497119), (133, 213051), (141, 200963), (329, 86127), (399, 71017), (893, 31731), (987, 28709), (1511, 18753), (2679, 10577), (4533, 6251)]