61653915

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 113218560

約数和(自身を除く): 51564645

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 71, 115, 207, 213, 345, 355, 639, 839, 1035, 1065, 1633, 2517, 3195, 4195, 4899, 7551, 8165, 12585, 14697, 19297, 24495, 37755, 57891, 59569, 73485, 96485, 173673, 178707, 289455, 297845, 536121, 868365, 893535, 1370087, 2680605, 4110261, 6850435, 12330783, 20551305, 61653915]

約数ペア:

[(1, 61653915), (3, 20551305), (5, 12330783), (9, 6850435), (15, 4110261), (23, 2680605), (45, 1370087), (69, 893535), (71, 868365), (115, 536121), (207, 297845), (213, 289455), (345, 178707), (355, 173673), (639, 96485), (839, 73485), (1035, 59569), (1065, 57891), (1633, 37755), (2517, 24495), (3195, 19297), (4195, 14697), (4899, 12585), (7551, 8165)]