280982.00000000

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2113}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 45459456

約数和(自身を除く): 17358669

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 2113, 4433, 6339, 13299, 23243, 27469, 65503, 69729, 82407, 196509, 302159, 720533, 851539, 906477, 2161599, 2554617, 9366929, 28100787]

約数ペア:

[(1, 28100787), (3, 9366929), (11, 2554617), (13, 2161599), (31, 906477), (33, 851539), (39, 720533), (93, 302159), (143, 196509), (341, 82407), (403, 69729), (429, 65503), (1023, 27469), (1209, 23243), (2113, 13299), (4433, 6339)]