71006481

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 127196160

約数和(自身を除く): 56189679

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 181, 273, 479, 543, 819, 1267, 1437, 1629, 2353, 3353, 3801, 4311, 6227, 7059, 10059, 11403, 16471, 18681, 21177, 30177, 43589, 49413, 56043, 86699, 130767, 148239, 260097, 392301, 606893, 780291, 1127087, 1820679, 3381261, 5462037, 7889609, 10143783, 23668827, 71006481]

約数ペア:

[(1, 71006481), (3, 23668827), (7, 10143783), (9, 7889609), (13, 5462037), (21, 3381261), (39, 1820679), (63, 1127087), (91, 780291), (117, 606893), (181, 392301), (273, 260097), (479, 148239), (543, 130767), (819, 86699), (1267, 56043), (1437, 49413), (1629, 43589), (2353, 30177), (3353, 21177), (3801, 18681), (4311, 16471), (6227, 11403), (7059, 10059)]