72123615

素因数分解:

$3^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 56

約数和(自身を含む): 132838848

約数和(自身を除く): 60715233

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 243, 405, 421, 423, 705, 729, 1215, 1263, 1269, 2105, 2115, 3645, 3789, 3807, 6315, 6345, 11367, 11421, 18945, 19035, 19787, 34101, 34263, 56835, 57105, 59361, 98935, 102303, 170505, 171315, 178083, 296805, 306909, 511515, 534249, 890415, 1534545, 1602747, 2671245, 4808241, 8013735, 14424723, 24041205, 72123615]

約数ペア:

[(1, 72123615), (3, 24041205), (5, 14424723), (9, 8013735), (15, 4808241), (27, 2671245), (45, 1602747), (47, 1534545), (81, 890415), (135, 534249), (141, 511515), (235, 306909), (243, 296805), (405, 178083), (421, 171315), (423, 170505), (705, 102303), (729, 98935), (1215, 59361), (1263, 57105), (1269, 56835), (2105, 34263), (2115, 34101), (3645, 19787), (3789, 19035), (3807, 18945), (6315, 11421), (6345, 11367)]