77453925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 133920000

約数和(自身を除く): 56466075

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 149, 239, 435, 447, 717, 725, 745, 1195, 2175, 2235, 3585, 3725, 4321, 5975, 6931, 11175, 12963, 17925, 20793, 21605, 34655, 35611, 64815, 103965, 106833, 108025, 173275, 178055, 324075, 519825, 534165, 890275, 1032719, 2670825, 3098157, 5163595, 15490785, 25817975, 77453925]

約数ペア:

[(1, 77453925), (3, 25817975), (5, 15490785), (15, 5163595), (25, 3098157), (29, 2670825), (75, 1032719), (87, 890275), (145, 534165), (149, 519825), (239, 324075), (435, 178055), (447, 173275), (717, 108025), (725, 106833), (745, 103965), (1195, 64815), (2175, 35611), (2235, 34655), (3585, 21605), (3725, 20793), (4321, 17925), (5975, 12963), (6931, 11175)]