69991551

素因数分解:

$3^2\times 7^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 60

約数和(自身を含む): 122347680

約数和(自身を除く): 52356129

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 79, 123, 147, 237, 287, 343, 369, 441, 553, 711, 861, 1029, 1659, 2009, 2401, 2583, 3087, 3239, 3871, 4977, 6027, 7203, 9717, 11613, 14063, 18081, 21609, 22673, 27097, 29151, 34839, 42189, 68019, 81291, 98441, 126567, 158711, 189679, 204057, 243873, 295323, 476133, 569037, 885969, 1110977, 1428399, 1707111, 3332931, 7776839, 9998793, 23330517, 69991551]

約数ペア:

[(1, 69991551), (3, 23330517), (7, 9998793), (9, 7776839), (21, 3332931), (41, 1707111), (49, 1428399), (63, 1110977), (79, 885969), (123, 569037), (147, 476133), (237, 295323), (287, 243873), (343, 204057), (369, 189679), (441, 158711), (553, 126567), (711, 98441), (861, 81291), (1029, 68019), (1659, 42189), (2009, 34839), (2401, 29151), (2583, 27097), (3087, 22673), (3239, 21609), (3871, 18081), (4977, 14063), (6027, 11613), (7203, 9717)]