71829771

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 34615029

約数列:

[1, 3, 13, 39, 47, 141, 149, 263, 447, 611, 789, 1833, 1937, 3419, 5811, 7003, 10257, 12361, 21009, 37083, 39187, 91039, 117561, 160693, 273117, 482079, 509431, 1528293, 1841789, 5525367, 23943257, 71829771]

約数ペア:

[(1, 71829771), (3, 23943257), (13, 5525367), (39, 1841789), (47, 1528293), (141, 509431), (149, 482079), (263, 273117), (447, 160693), (611, 117561), (789, 91039), (1833, 39187), (1937, 37083), (3419, 21009), (5811, 12361), (7003, 10257)]