660147705

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9839}}^1$

素因数の和:9931

約数の個数: 64

約数和(自身を含む): 1360281600

約数和(自身を除く): 700133895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 105, 135, 189, 213, 315, 355, 497, 639, 945, 1065, 1491, 1917, 2485, 3195, 4473, 7455, 9585, 9839, 13419, 22365, 29517, 49195, 67095, 68873, 88551, 147585, 206619, 265653, 344365, 442755, 619857, 698569, 1033095, 1328265, 1859571, 2095707, 3099285, 3492845, 4889983, 6287121, 9297855, 10478535, 14669949, 18861363, 24449915, 31435605, 44009847, 73349745, 94306815, 132029541, 220049235, 660147705]

約数ペア:

[(1, 660147705), (3, 220049235), (5, 132029541), (7, 94306815), (9, 73349745), (15, 44009847), (21, 31435605), (27, 24449915), (35, 18861363), (45, 14669949), (63, 10478535), (71, 9297855), (105, 6287121), (135, 4889983), (189, 3492845), (213, 3099285), (315, 2095707), (355, 1859571), (497, 1328265), (639, 1033095), (945, 698569), (1065, 619857), (1491, 442755), (1917, 344365), (2485, 265653), (3195, 206619), (4473, 147585), (7455, 88551), (9585, 68873), (9839, 67095), (13419, 49195), (22365, 29517)]