4220145

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 7368192

約数和(自身を除く): 3148047

約数列:

[1, 3, 5, 9, 15, 45, 191, 491, 573, 955, 1473, 1719, 2455, 2865, 4419, 7365, 8595, 22095, 93781, 281343, 468905, 844029, 1406715, 4220145]

約数ペア:

[(1, 4220145), (3, 1406715), (5, 844029), (9, 468905), (15, 281343), (45, 93781), (191, 22095), (491, 8595), (573, 7365), (955, 4419), (1473, 2865), (1719, 2455)]