17958645

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 32192640

約数和(自身を除く): 14233995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 971, 1233, 2055, 2913, 3699, 4855, 6165, 8739, 14565, 18495, 26217, 43695, 131085, 133027, 399081, 665135, 1197243, 1995405, 3591729, 5986215, 17958645]

約数ペア:

[(1, 17958645), (3, 5986215), (5, 3591729), (9, 1995405), (15, 1197243), (27, 665135), (45, 399081), (135, 133027), (137, 131085), (411, 43695), (685, 26217), (971, 18495), (1233, 14565), (2055, 8739), (2913, 6165), (3699, 4855)]