15321765

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 25399296

約数和(自身を除く): 10077531

約数列:

[1, 3, 5, 15, 47, 103, 141, 211, 235, 309, 515, 633, 705, 1055, 1545, 3165, 4841, 9917, 14523, 21733, 24205, 29751, 49585, 65199, 72615, 108665, 148755, 325995, 1021451, 3064353, 5107255, 15321765]

約数ペア:

[(1, 15321765), (3, 5107255), (5, 3064353), (15, 1021451), (47, 325995), (103, 148755), (141, 108665), (211, 72615), (235, 65199), (309, 49585), (515, 29751), (633, 24205), (705, 21733), (1055, 14523), (1545, 9917), (3165, 4841)]