280879599

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 507644928

約数和(自身を除く): 226765329

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 121, 143, 231, 273, 363, 429, 773, 847, 1001, 1331, 1573, 2319, 2541, 3003, 3993, 4719, 5411, 8503, 9317, 10049, 11011, 16233, 17303, 25509, 27951, 30147, 33033, 51909, 59521, 70343, 93533, 110539, 121121, 178563, 211029, 280599, 331617, 363363, 654731, 773773, 1028863, 1215929, 1964193, 2321319, 3086589, 3647787, 7202041, 8511503, 13375219, 21606123, 25534509, 40125657, 93626533, 280879599]

約数ペア:

[(1, 280879599), (3, 93626533), (7, 40125657), (11, 25534509), (13, 21606123), (21, 13375219), (33, 8511503), (39, 7202041), (77, 3647787), (91, 3086589), (121, 2321319), (143, 1964193), (231, 1215929), (273, 1028863), (363, 773773), (429, 654731), (773, 363363), (847, 331617), (1001, 280599), (1331, 211029), (1573, 178563), (2319, 121121), (2541, 110539), (3003, 93533), (3993, 70343), (4719, 59521), (5411, 51909), (8503, 33033), (9317, 30147), (10049, 27951), (11011, 25509), (16233, 17303)]