25573563

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 16359237

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 191, 243, 261, 513, 551, 573, 783, 1539, 1653, 1719, 2349, 3629, 4617, 4959, 5157, 5539, 7047, 10887, 14877, 15471, 16617, 32661, 44631, 46413, 49851, 97983, 105241, 133893, 149553, 293949, 315723, 448659, 881847, 947169, 1345977, 2841507, 8524521, 25573563]

約数ペア:

[(1, 25573563), (3, 8524521), (9, 2841507), (19, 1345977), (27, 947169), (29, 881847), (57, 448659), (81, 315723), (87, 293949), (171, 149553), (191, 133893), (243, 105241), (261, 97983), (513, 49851), (551, 46413), (573, 44631), (783, 32661), (1539, 16617), (1653, 15471), (1719, 14877), (2349, 10887), (3629, 7047), (4617, 5539), (4959, 5157)]