15671570481

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1289}}^1\times {\mathrm{1451}}^1$

素因数の和:2779

約数の個数: 72

約数和(自身を含む): 27759045600

約数和(自身を除く): 12087475119

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 1289, 1451, 2793, 3867, 4353, 8379, 9023, 10157, 11601, 13059, 24491, 27069, 27569, 30471, 63161, 71099, 73473, 81207, 82707, 91413, 171437, 189483, 192983, 213297, 220419, 248121, 514311, 568449, 578949, 639891, 1200059, 1350881, 1542933, 1736847, 1870339, 3600177, 4052643, 5611017, 10800531, 12157929, 13092373, 16833051, 35536441, 39277119, 91646611, 106609323, 117831357, 248755087, 274939833, 319827969, 746265261, 824819499, 1741285609, 2238795783, 5223856827, 15671570481]

約数ペア:

[(1, 15671570481), (3, 5223856827), (7, 2238795783), (9, 1741285609), (19, 824819499), (21, 746265261), (49, 319827969), (57, 274939833), (63, 248755087), (133, 117831357), (147, 106609323), (171, 91646611), (399, 39277119), (441, 35536441), (931, 16833051), (1197, 13092373), (1289, 12157929), (1451, 10800531), (2793, 5611017), (3867, 4052643), (4353, 3600177), (8379, 1870339), (9023, 1736847), (10157, 1542933), (11601, 1350881), (13059, 1200059), (24491, 639891), (27069, 578949), (27569, 568449), (30471, 514311), (63161, 248121), (71099, 220419), (73473, 213297), (81207, 192983), (82707, 189483), (91413, 171437)]