406725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:70

約数の個数: 48

約数和(自身を含む): 803520

約数和(自身を除く): 396795

約数列:

[1, 3, 5, 11, 15, 17, 25, 29, 33, 51, 55, 75, 85, 87, 145, 165, 187, 255, 275, 319, 425, 435, 493, 561, 725, 825, 935, 957, 1275, 1479, 1595, 2175, 2465, 2805, 4675, 4785, 5423, 7395, 7975, 12325, 14025, 16269, 23925, 27115, 36975, 81345, 135575, 406725]

約数ペア:

[(1, 406725), (3, 135575), (5, 81345), (11, 36975), (15, 27115), (17, 23925), (25, 16269), (29, 14025), (33, 12325), (51, 7975), (55, 7395), (75, 5423), (85, 4785), (87, 4675), (145, 2805), (165, 2465), (187, 2175), (255, 1595), (275, 1479), (319, 1275), (425, 957), (435, 935), (493, 825), (561, 725)]