30995289

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 51717120

約数和(自身を除く): 20721831

約数列:

[1, 3, 9, 13, 19, 39, 57, 73, 117, 171, 191, 219, 247, 573, 657, 741, 949, 1387, 1719, 2223, 2483, 2847, 3629, 4161, 7449, 8541, 10887, 12483, 13943, 18031, 22347, 32661, 41829, 47177, 54093, 125487, 141531, 162279, 181259, 264917, 424593, 543777, 794751, 1631331, 2384253, 3443921, 10331763, 30995289]

約数ペア:

[(1, 30995289), (3, 10331763), (9, 3443921), (13, 2384253), (19, 1631331), (39, 794751), (57, 543777), (73, 424593), (117, 264917), (171, 181259), (191, 162279), (219, 141531), (247, 125487), (573, 54093), (657, 47177), (741, 41829), (949, 32661), (1387, 22347), (1719, 18031), (2223, 13943), (2483, 12483), (2847, 10887), (3629, 8541), (4161, 7449)]