201825

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:55

約数の個数: 48

約数和(自身を含む): 416640

約数和(自身を除く): 214815

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 27, 39, 45, 65, 69, 75, 115, 117, 135, 195, 207, 225, 299, 325, 345, 351, 575, 585, 621, 675, 897, 975, 1035, 1495, 1725, 1755, 2691, 2925, 3105, 4485, 5175, 7475, 8073, 8775, 13455, 15525, 22425, 40365, 67275, 201825]

約数ペア:

[(1, 201825), (3, 67275), (5, 40365), (9, 22425), (13, 15525), (15, 13455), (23, 8775), (25, 8073), (27, 7475), (39, 5175), (45, 4485), (65, 3105), (69, 2925), (75, 2691), (115, 1755), (117, 1725), (135, 1495), (195, 1035), (207, 975), (225, 897), (299, 675), (325, 621), (345, 585), (351, 575)]