641436471

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2393}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 1045699200

約数和(自身を除く): 404262729

約数列:

[1, 3, 9, 13, 29, 39, 79, 87, 117, 237, 261, 377, 711, 1027, 1131, 2291, 2393, 3081, 3393, 6873, 7179, 9243, 20619, 21537, 29783, 31109, 69397, 89349, 93327, 189047, 208191, 268047, 279981, 567141, 624573, 902161, 1701423, 2457611, 2706483, 5482363, 7372833, 8119449, 16447089, 22118499, 49341267, 71270719, 213812157, 641436471]

約数ペア:

[(1, 641436471), (3, 213812157), (9, 71270719), (13, 49341267), (29, 22118499), (39, 16447089), (79, 8119449), (87, 7372833), (117, 5482363), (237, 2706483), (261, 2457611), (377, 1701423), (711, 902161), (1027, 624573), (1131, 567141), (2291, 279981), (2393, 268047), (3081, 208191), (3393, 189047), (6873, 93327), (7179, 89349), (9243, 69397), (20619, 31109), (21537, 29783)]