2520063

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 4769856

約数和(自身を除く): 2249793

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 181, 221, 273, 357, 543, 663, 819, 1071, 1267, 1547, 1629, 1989, 2353, 3077, 3801, 4641, 7059, 9231, 11403, 13923, 16471, 21177, 21539, 27693, 40001, 49413, 64617, 120003, 148239, 193851, 280007, 360009, 840021, 2520063]

約数ペア:

[(1, 2520063), (3, 840021), (7, 360009), (9, 280007), (13, 193851), (17, 148239), (21, 120003), (39, 64617), (51, 49413), (63, 40001), (91, 27693), (117, 21539), (119, 21177), (153, 16471), (181, 13923), (221, 11403), (273, 9231), (357, 7059), (543, 4641), (663, 3801), (819, 3077), (1071, 2353), (1267, 1989), (1547, 1629)]