20175975099

素因数分解:

$3^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1\times {\mathrm{1009}}^1$

素因数の和:1705

約数の個数: 64

約数和(自身を含む): 34414336000

約数和(自身を除く): 14238360901

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 241, 439, 723, 1009, 1317, 1687, 2169, 3027, 3073, 3951, 5061, 6507, 7063, 9081, 9219, 11853, 15183, 21189, 27243, 27657, 45549, 63567, 82971, 105799, 190701, 243169, 317397, 442951, 729507, 740593, 952191, 1328853, 1702183, 2188521, 2221779, 2856573, 3100657, 3986559, 5106549, 6565563, 6665337, 9301971, 11959677, 15319647, 19996011, 27905913, 45958941, 83717739, 106751191, 320253573, 747258337, 960760719, 2241775011, 2882282157, 6725325033, 20175975099]

約数ペア:

[(1, 20175975099), (3, 6725325033), (7, 2882282157), (9, 2241775011), (21, 960760719), (27, 747258337), (63, 320253573), (189, 106751191), (241, 83717739), (439, 45958941), (723, 27905913), (1009, 19996011), (1317, 15319647), (1687, 11959677), (2169, 9301971), (3027, 6665337), (3073, 6565563), (3951, 5106549), (5061, 3986559), (6507, 3100657), (7063, 2856573), (9081, 2221779), (9219, 2188521), (11853, 1702183), (15183, 1328853), (21189, 952191), (27243, 740593), (27657, 729507), (45549, 442951), (63567, 317397), (82971, 243169), (105799, 190701)]