642132513

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{12743}}^1$

素因数の和:13269

約数の個数: 24

約数和(自身を含む): 1013912640

約数和(自身を除く): 371780127

約数列:

[1, 3, 9, 11, 33, 99, 509, 1527, 4581, 5599, 12743, 16797, 38229, 50391, 114687, 140173, 420519, 1261557, 6486187, 19458561, 58375683, 71348057, 214044171, 642132513]

約数ペア:

[(1, 642132513), (3, 214044171), (9, 71348057), (11, 58375683), (33, 19458561), (99, 6486187), (509, 1261557), (1527, 420519), (4581, 140173), (5599, 114687), (12743, 50391), (16797, 38229)]