198495

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 376272

約数和(自身を除く): 177777

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 401, 495, 1203, 2005, 3609, 4411, 6015, 13233, 18045, 22055, 39699, 66165, 198495]

約数ペア:

[(1, 198495), (3, 66165), (5, 39699), (9, 22055), (11, 18045), (15, 13233), (33, 6015), (45, 4411), (55, 3609), (99, 2005), (165, 1203), (401, 495)]