15404015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 21150720

約数和(自身を除く): 5746705

約数列:

[1, 5, 11, 47, 55, 59, 101, 235, 295, 505, 517, 649, 1111, 2585, 2773, 3245, 4747, 5555, 5959, 13865, 23735, 29795, 30503, 52217, 65549, 152515, 261085, 280073, 327745, 1400365, 3080803, 15404015]

約数ペア:

[(1, 15404015), (5, 3080803), (11, 1400365), (47, 327745), (55, 280073), (59, 261085), (101, 152515), (235, 65549), (295, 52217), (505, 30503), (517, 29795), (649, 23735), (1111, 13865), (2585, 5959), (2773, 5555), (3245, 4747)]