1375785

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 2555520

約数和(自身を除く): 1179735

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 79, 81, 129, 135, 215, 237, 387, 395, 405, 645, 711, 1161, 1185, 1935, 2133, 3397, 3483, 3555, 5805, 6399, 10191, 10665, 16985, 17415, 30573, 31995, 50955, 91719, 152865, 275157, 458595, 1375785]

約数ペア:

[(1, 1375785), (3, 458595), (5, 275157), (9, 152865), (15, 91719), (27, 50955), (43, 31995), (45, 30573), (79, 17415), (81, 16985), (129, 10665), (135, 10191), (215, 6399), (237, 5805), (387, 3555), (395, 3483), (405, 3397), (645, 2133), (711, 1935), (1161, 1185)]