1642995

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1259}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 2948400

約数和(自身を除く): 1305405

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1259, 1305, 3777, 6295, 11331, 18885, 36511, 56655, 109533, 182555, 328599, 547665, 1642995]

約数ペア:

[(1, 1642995), (3, 547665), (5, 328599), (9, 182555), (15, 109533), (29, 56655), (45, 36511), (87, 18885), (145, 11331), (261, 6295), (435, 3777), (1259, 1305)]