668070825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{751}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 1146950400

約数和(自身を除く): 478879575

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 409, 435, 725, 751, 1227, 2045, 2175, 2253, 3755, 6135, 10225, 11265, 11861, 18775, 21779, 30675, 35583, 56325, 59305, 65337, 108895, 177915, 296525, 307159, 326685, 544475, 889575, 921477, 1535795, 1633425, 4607385, 7678975, 8907611, 23036925, 26722833, 44538055, 133614165, 222690275, 668070825]

約数ペア:

[(1, 668070825), (3, 222690275), (5, 133614165), (15, 44538055), (25, 26722833), (29, 23036925), (75, 8907611), (87, 7678975), (145, 4607385), (409, 1633425), (435, 1535795), (725, 921477), (751, 889575), (1227, 544475), (2045, 326685), (2175, 307159), (2253, 296525), (3755, 177915), (6135, 108895), (10225, 65337), (11265, 59305), (11861, 56325), (18775, 35583), (21779, 30675)]