28268385

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 46766592

約数和(自身を除く): 18498207

約数列:

[1, 3, 5, 15, 47, 101, 141, 235, 303, 397, 505, 705, 1191, 1515, 1985, 4747, 5955, 14241, 18659, 23735, 40097, 55977, 71205, 93295, 120291, 200485, 279885, 601455, 1884559, 5653677, 9422795, 28268385]

約数ペア:

[(1, 28268385), (3, 9422795), (5, 5653677), (15, 1884559), (47, 601455), (101, 279885), (141, 200485), (235, 120291), (303, 93295), (397, 71205), (505, 55977), (705, 40097), (1191, 23735), (1515, 18659), (1985, 14241), (4747, 5955)]