1997445

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 3392640

約数和(自身を除く): 1395195

約数列:

[1, 3, 5, 15, 37, 59, 61, 111, 177, 183, 185, 295, 305, 555, 885, 915, 2183, 2257, 3599, 6549, 6771, 10797, 10915, 11285, 17995, 32745, 33855, 53985, 133163, 399489, 665815, 1997445]

約数ペア:

[(1, 1997445), (3, 665815), (5, 399489), (15, 133163), (37, 53985), (59, 33855), (61, 32745), (111, 17995), (177, 11285), (183, 10915), (185, 10797), (295, 6771), (305, 6549), (555, 3599), (885, 2257), (915, 2183)]