157020417

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 238128000

約数和(自身を除く): 81107583

約数列:

[1, 3, 9, 27, 59, 177, 241, 409, 531, 723, 1227, 1593, 2169, 3681, 6507, 11043, 14219, 24131, 42657, 72393, 98569, 127971, 217179, 295707, 383913, 651537, 887121, 2661363, 5815571, 17446713, 52340139, 157020417]

約数ペア:

[(1, 157020417), (3, 52340139), (9, 17446713), (27, 5815571), (59, 2661363), (177, 887121), (241, 651537), (409, 383913), (531, 295707), (723, 217179), (1227, 127971), (1593, 98569), (2169, 72393), (3681, 42657), (6507, 24131), (11043, 14219)]