71328957

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 124312896

約数和(自身を除く): 52983939

約数列:

[1, 3, 7, 17, 21, 23, 49, 51, 69, 73, 119, 147, 161, 219, 289, 357, 391, 483, 511, 833, 867, 1127, 1173, 1241, 1533, 1679, 2023, 2499, 2737, 3381, 3577, 3723, 5037, 6069, 6647, 8211, 8687, 10731, 11753, 14161, 19159, 19941, 21097, 26061, 28543, 35259, 42483, 46529, 57477, 60809, 63291, 82271, 85629, 139587, 147679, 182427, 199801, 246813, 325703, 443037, 485231, 599403, 977109, 1033753, 1398607, 1455693, 3101259, 3396617, 4195821, 10189851, 23776319, 71328957]

約数ペア:

[(1, 71328957), (3, 23776319), (7, 10189851), (17, 4195821), (21, 3396617), (23, 3101259), (49, 1455693), (51, 1398607), (69, 1033753), (73, 977109), (119, 599403), (147, 485231), (161, 443037), (219, 325703), (289, 246813), (357, 199801), (391, 182427), (483, 147679), (511, 139587), (833, 85629), (867, 82271), (1127, 63291), (1173, 60809), (1241, 57477), (1533, 46529), (1679, 42483), (2023, 35259), (2499, 28543), (2737, 26061), (3381, 21097), (3577, 19941), (3723, 19159), (5037, 14161), (6069, 11753), (6647, 10731), (8211, 8687)]