51745005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 97297200

約数和(自身を除く): 45552195

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 197, 449, 585, 591, 985, 1347, 1773, 2245, 2561, 2955, 4041, 5837, 6735, 7683, 8865, 12805, 17511, 20205, 23049, 29185, 38415, 52533, 87555, 88453, 115245, 262665, 265359, 442265, 796077, 1149889, 1326795, 3449667, 3980385, 5749445, 10349001, 17248335, 51745005]

約数ペア:

[(1, 51745005), (3, 17248335), (5, 10349001), (9, 5749445), (13, 3980385), (15, 3449667), (39, 1326795), (45, 1149889), (65, 796077), (117, 442265), (195, 265359), (197, 262665), (449, 115245), (585, 88453), (591, 87555), (985, 52533), (1347, 38415), (1773, 29185), (2245, 23049), (2561, 20205), (2955, 17511), (4041, 12805), (5837, 8865), (6735, 7683)]