1247395965

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{6271}}^1$

素因数の和:6517

約数の個数: 32

約数和(自身を含む): 2032128000

約数和(自身を除く): 784732035

約数列:

[1, 3, 5, 15, 89, 149, 267, 445, 447, 745, 1335, 2235, 6271, 13261, 18813, 31355, 39783, 66305, 94065, 198915, 558119, 934379, 1674357, 2790595, 2803137, 4671895, 8371785, 14015685, 83159731, 249479193, 415798655, 1247395965]

約数ペア:

[(1, 1247395965), (3, 415798655), (5, 249479193), (15, 83159731), (89, 14015685), (149, 8371785), (267, 4671895), (445, 2803137), (447, 2790595), (745, 1674357), (1335, 934379), (2235, 558119), (6271, 198915), (13261, 94065), (18813, 66305), (31355, 39783)]