1998550995

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{2719117}}^1$

素因数の和:2719139

約数の個数: 24

約数和(自身を含む): 3719753424

約数和(自身を除く): 1721202429

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 2719117, 8157351, 13595585, 19033819, 40786755, 57101457, 95169095, 133236733, 285507285, 399710199, 666183665, 1998550995]

約数ペア:

[(1, 1998550995), (3, 666183665), (5, 399710199), (7, 285507285), (15, 133236733), (21, 95169095), (35, 57101457), (49, 40786755), (105, 19033819), (147, 13595585), (245, 8157351), (735, 2719117)]