290905641

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{28579}}^1$

素因数の和:28630

約数の個数: 32

約数和(自身を含む): 480144000

約数和(自身を除く): 189238359

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 3393, 10179, 28579, 85737, 257211, 371527, 771633, 828791, 1114581, 2486373, 3343743, 7459119, 10031229, 10774283, 22377357, 32322849, 96968547, 290905641]

約数ペア:

[(1, 290905641), (3, 96968547), (9, 32322849), (13, 22377357), (27, 10774283), (29, 10031229), (39, 7459119), (87, 3343743), (117, 2486373), (261, 1114581), (351, 828791), (377, 771633), (783, 371527), (1131, 257211), (3393, 85737), (10179, 28579)]