86788947

素因数分解:

$3^1\times 7^4\times {\mathrm{12049}}^1$

素因数の和:12080

約数の個数: 20

約数和(自身を含む): 135008200

約数和(自身を除く): 48219253

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 12049, 36147, 84343, 253029, 590401, 1771203, 4132807, 12398421, 28929649, 86788947]

約数ペア:

[(1, 86788947), (3, 28929649), (7, 12398421), (21, 4132807), (49, 1771203), (147, 590401), (343, 253029), (1029, 84343), (2401, 36147), (7203, 12049)]