91990215

素因数分解:

$3^3\times 5^1\times {\mathrm{681409}}^1$

素因数の和:681423

約数の個数: 16

約数和(自身を含む): 163538400

約数和(自身を除く): 71548185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 681409, 2044227, 3407045, 6132681, 10221135, 18398043, 30663405, 91990215]

約数ペア:

[(1, 91990215), (3, 30663405), (5, 18398043), (9, 10221135), (15, 6132681), (27, 3407045), (45, 2044227), (135, 681409)]