311025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:66

約数の個数: 48

約数和(自身を含む): 624960

約数和(自身を除く): 313935

約数列:

[1, 3, 5, 11, 13, 15, 25, 29, 33, 39, 55, 65, 75, 87, 143, 145, 165, 195, 275, 319, 325, 377, 429, 435, 715, 725, 825, 957, 975, 1131, 1595, 1885, 2145, 2175, 3575, 4147, 4785, 5655, 7975, 9425, 10725, 12441, 20735, 23925, 28275, 62205, 103675, 311025]

約数ペア:

[(1, 311025), (3, 103675), (5, 62205), (11, 28275), (13, 23925), (15, 20735), (25, 12441), (29, 10725), (33, 9425), (39, 7975), (55, 5655), (65, 4785), (75, 4147), (87, 3575), (143, 2175), (145, 2145), (165, 1885), (195, 1595), (275, 1131), (319, 975), (325, 957), (377, 825), (429, 725), (435, 715)]