20173321119

素因数分解:

$3^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{407221}}^1$

素因数の和:407575

約数の個数: 24

約数和(自身を含む): 31382156208

約数和(自身を除く): 11208835089

約数列:

[1, 3, 7, 21, 49, 147, 337, 1011, 2359, 7077, 16513, 49539, 407221, 1221663, 2850547, 8551641, 19953829, 59861487, 137233477, 411700431, 960634339, 2881903017, 6724440373, 20173321119]

約数ペア:

[(1, 20173321119), (3, 6724440373), (7, 2881903017), (21, 960634339), (49, 411700431), (147, 137233477), (337, 59861487), (1011, 19953829), (2359, 8551641), (7077, 2850547), (16513, 1221663), (49539, 407221)]