28678965

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{39019}}^1$

素因数の和:39041

約数の個数: 24

約数和(自身を含む): 53379360

約数和(自身を除く): 24700395

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 39019, 117057, 195095, 273133, 585285, 819399, 1365665, 1911931, 4096995, 5735793, 9559655, 28678965]

約数ペア:

[(1, 28678965), (3, 9559655), (5, 5735793), (7, 4096995), (15, 1911931), (21, 1365665), (35, 819399), (49, 585285), (105, 273133), (147, 195095), (245, 117057), (735, 39019)]