80878959

素因数分解:

$3^3\times 7^2\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 140876640

約数和(自身を除く): 59997681

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 113, 147, 189, 339, 441, 541, 791, 1017, 1323, 1623, 2373, 3051, 3787, 4869, 5537, 7119, 11361, 14607, 16611, 21357, 26509, 34083, 49833, 61133, 79527, 102249, 149499, 183399, 238581, 427931, 550197, 715743, 1283793, 1650591, 2995517, 3851379, 8986551, 11554137, 26959653, 80878959]

約数ペア:

[(1, 80878959), (3, 26959653), (7, 11554137), (9, 8986551), (21, 3851379), (27, 2995517), (49, 1650591), (63, 1283793), (113, 715743), (147, 550197), (189, 427931), (339, 238581), (441, 183399), (541, 149499), (791, 102249), (1017, 79527), (1323, 61133), (1623, 49833), (2373, 34083), (3051, 26509), (3787, 21357), (4869, 16611), (5537, 14607), (7119, 11361)]