53901981

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 93125760

約数和(自身を除く): 39223779

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 163, 181, 203, 261, 489, 543, 609, 1141, 1267, 1467, 1629, 1827, 3423, 3801, 4727, 5249, 10269, 11403, 14181, 15747, 29503, 33089, 36743, 42543, 47241, 88509, 99267, 110229, 206521, 265527, 297801, 330687, 619563, 855587, 1858689, 2566761, 5989109, 7700283, 17967327, 53901981]

約数ペア:

[(1, 53901981), (3, 17967327), (7, 7700283), (9, 5989109), (21, 2566761), (29, 1858689), (63, 855587), (87, 619563), (163, 330687), (181, 297801), (203, 265527), (261, 206521), (489, 110229), (543, 99267), (609, 88509), (1141, 47241), (1267, 42543), (1467, 36743), (1629, 33089), (1827, 29503), (3423, 15747), (3801, 14181), (4727, 11403), (5249, 10269)]