211232481

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 308244480

約数和(自身を除く): 97011999

約数列:

[1, 3, 19, 31, 57, 93, 173, 519, 589, 691, 1767, 2073, 3287, 5363, 9861, 13129, 16089, 21421, 39387, 64263, 101897, 119543, 305691, 358629, 406999, 1220997, 2271317, 3705833, 6813951, 11117499, 70410827, 211232481]

約数ペア:

[(1, 211232481), (3, 70410827), (19, 11117499), (31, 6813951), (57, 3705833), (93, 2271317), (173, 1220997), (519, 406999), (589, 358629), (691, 305691), (1767, 119543), (2073, 101897), (3287, 64263), (5363, 39387), (9861, 21421), (13129, 16089)]