68218515

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7937}}^1$

素因数の和:8139

約数の個数: 24

約数和(自身を含む): 118879488

約数和(自身を除く): 50660973

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2865, 7937, 8595, 23811, 39685, 71433, 119055, 357165, 1515967, 4547901, 7579835, 13643703, 22739505, 68218515]

約数ペア:

[(1, 68218515), (3, 22739505), (5, 13643703), (9, 7579835), (15, 4547901), (45, 1515967), (191, 357165), (573, 119055), (955, 71433), (1719, 39685), (2865, 23811), (7937, 8595)]