221118597

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1409}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 380090880

約数和(自身を除く): 158972283

約数列:

[1, 3, 7, 9, 21, 47, 53, 63, 141, 159, 329, 371, 423, 477, 987, 1113, 1409, 2491, 2961, 3339, 4227, 7473, 9863, 12681, 17437, 22419, 29589, 52311, 66223, 74677, 88767, 156933, 198669, 224031, 463561, 522739, 596007, 672093, 1390683, 1568217, 3509819, 4172049, 4704651, 10529457, 24568733, 31588371, 73706199, 221118597]

約数ペア:

[(1, 221118597), (3, 73706199), (7, 31588371), (9, 24568733), (21, 10529457), (47, 4704651), (53, 4172049), (63, 3509819), (141, 1568217), (159, 1390683), (329, 672093), (371, 596007), (423, 522739), (477, 463561), (987, 224031), (1113, 198669), (1409, 156933), (2491, 88767), (2961, 74677), (3339, 66223), (4227, 52311), (7473, 29589), (9863, 22419), (12681, 17437)]