491995941

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 687633408

約数和(自身を除く): 195637467

約数列:

[1, 3, 41, 67, 123, 201, 227, 263, 681, 789, 2747, 8241, 9307, 10783, 15209, 17621, 27921, 32349, 45627, 52863, 59701, 179103, 623569, 722461, 1870707, 2167383, 2447741, 3999967, 7343223, 11999901, 163998647, 491995941]

約数ペア:

[(1, 491995941), (3, 163998647), (41, 11999901), (67, 7343223), (123, 3999967), (201, 2447741), (227, 2167383), (263, 1870707), (681, 722461), (789, 623569), (2747, 179103), (8241, 59701), (9307, 52863), (10783, 45627), (15209, 32349), (17621, 27921)]