161705943

素因数分解:

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

素因数の和:389

約数の個数: 64

約数和(自身を含む): 286540800

約数和(自身を除く): 124834857

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 163, 181, 189, 203, 261, 489, 543, 609, 783, 1141, 1267, 1467, 1629, 1827, 3423, 3801, 4401, 4727, 4887, 5249, 5481, 10269, 11403, 14181, 15747, 29503, 30807, 33089, 34209, 36743, 42543, 47241, 88509, 99267, 110229, 127629, 141723, 206521, 265527, 297801, 330687, 619563, 796581, 855587, 893403, 992061, 1858689, 2566761, 5576067, 5989109, 7700283, 17967327, 23100849, 53901981, 161705943]

約数ペア:

[(1, 161705943), (3, 53901981), (7, 23100849), (9, 17967327), (21, 7700283), (27, 5989109), (29, 5576067), (63, 2566761), (87, 1858689), (163, 992061), (181, 893403), (189, 855587), (203, 796581), (261, 619563), (489, 330687), (543, 297801), (609, 265527), (783, 206521), (1141, 141723), (1267, 127629), (1467, 110229), (1629, 99267), (1827, 88509), (3423, 47241), (3801, 42543), (4401, 36743), (4727, 34209), (4887, 33089), (5249, 30807), (5481, 29503), (10269, 15747), (11403, 14181)]