7981701

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{173}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 13251840

約数和(自身を除く): 5270139

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 173, 273, 507, 519, 1183, 1211, 2197, 2249, 3549, 3633, 6591, 6747, 15379, 15743, 29237, 46137, 47229, 87711, 204659, 380081, 613977, 1140243, 2660567, 7981701]

約数ペア:

[(1, 7981701), (3, 2660567), (7, 1140243), (13, 613977), (21, 380081), (39, 204659), (91, 87711), (169, 47229), (173, 46137), (273, 29237), (507, 15743), (519, 15379), (1183, 6747), (1211, 6591), (2197, 3633), (2249, 3549)]