388492713

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1195

約数の個数: 64

約数和(自身を含む): 690749440

約数和(自身を除く): 302256727

約数列:

[1, 3, 7, 9, 21, 27, 31, 61, 63, 93, 183, 189, 217, 279, 427, 549, 651, 837, 1087, 1281, 1647, 1891, 1953, 3261, 3843, 5673, 5859, 7609, 9783, 11529, 13237, 17019, 22827, 29349, 33697, 39711, 51057, 66307, 68481, 101091, 119133, 198921, 205443, 235879, 303273, 357399, 464149, 596763, 707637, 909819, 1392447, 1790289, 2055517, 2122911, 4177341, 6166551, 6368733, 12532023, 14388619, 18499653, 43165857, 55498959, 129497571, 388492713]

約数ペア:

[(1, 388492713), (3, 129497571), (7, 55498959), (9, 43165857), (21, 18499653), (27, 14388619), (31, 12532023), (61, 6368733), (63, 6166551), (93, 4177341), (183, 2122911), (189, 2055517), (217, 1790289), (279, 1392447), (427, 909819), (549, 707637), (651, 596763), (837, 464149), (1087, 357399), (1281, 303273), (1647, 235879), (1891, 205443), (1953, 198921), (3261, 119133), (3843, 101091), (5673, 68481), (5859, 66307), (7609, 51057), (9783, 39711), (11529, 33697), (13237, 29349), (17019, 22827)]