81132516

素因数分解:

$2^2\times 3^4\times {\mathrm{250409}}^1$

素因数の和:250425

約数の個数: 30

約数和(自身を含む): 212097270

約数和(自身を除く): 130964754

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 250409, 500818, 751227, 1001636, 1502454, 2253681, 3004908, 4507362, 6761043, 9014724, 13522086, 20283129, 27044172, 40566258, 81132516]

約数ペア:

[(1, 81132516), (2, 40566258), (3, 27044172), (4, 20283129), (6, 13522086), (9, 9014724), (12, 6761043), (18, 4507362), (27, 3004908), (36, 2253681), (54, 1502454), (81, 1001636), (108, 751227), (162, 500818), (324, 250409)]