1389004845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{68239}}^1$

素因数の和:68329

約数の個数: 32

約数和(自身を含む): 2358374400

約数和(自身を除く): 969369555

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1357, 4071, 6785, 20355, 68239, 204717, 341195, 1023585, 1569497, 4026101, 4708491, 7847485, 12078303, 20130505, 23542455, 60391515, 92600323, 277800969, 463001615, 1389004845]

約数ペア:

[(1, 1389004845), (3, 463001615), (5, 277800969), (15, 92600323), (23, 60391515), (59, 23542455), (69, 20130505), (115, 12078303), (177, 7847485), (295, 4708491), (345, 4026101), (885, 1569497), (1357, 1023585), (4071, 341195), (6785, 204717), (20355, 68239)]