28348755

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 18652845

約数列:

[1, 3, 5, 15, 47, 79, 141, 235, 237, 395, 509, 705, 1185, 1527, 2545, 3713, 7635, 11139, 18565, 23923, 40211, 55695, 71769, 119615, 120633, 201055, 358845, 603165, 1889917, 5669751, 9449585, 28348755]

約数ペア:

[(1, 28348755), (3, 9449585), (5, 5669751), (15, 1889917), (47, 603165), (79, 358845), (141, 201055), (235, 120633), (237, 119615), (395, 71769), (509, 55695), (705, 40211), (1185, 23923), (1527, 18565), (2545, 11139), (3713, 7635)]