61439139

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 99234720

約数和(自身を除く): 37795581

約数列:

[1, 3, 9, 17, 29, 51, 61, 87, 153, 183, 227, 261, 493, 549, 681, 1037, 1479, 1769, 2043, 3111, 3859, 4437, 5307, 6583, 9333, 11577, 13847, 15921, 19749, 30073, 34731, 41541, 59247, 90219, 111911, 124623, 235399, 270657, 335733, 401563, 706197, 1007199, 1204689, 2118591, 3614067, 6826571, 20479713, 61439139]

約数ペア:

[(1, 61439139), (3, 20479713), (9, 6826571), (17, 3614067), (29, 2118591), (51, 1204689), (61, 1007199), (87, 706197), (153, 401563), (183, 335733), (227, 270657), (261, 235399), (493, 124623), (549, 111911), (681, 90219), (1037, 59247), (1479, 41541), (1769, 34731), (2043, 30073), (3111, 19749), (3859, 15921), (4437, 13847), (5307, 11577), (6583, 9333)]