28091595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14081}}^1$

素因数の和:14115

約数の個数: 32

約数和(自身を含む): 54074880

約数和(自身を除く): 25983285

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 14081, 42243, 70405, 98567, 211215, 267539, 295701, 492835, 802617, 1337695, 1478505, 1872773, 4013085, 5618319, 9363865, 28091595]

約数ペア:

[(1, 28091595), (3, 9363865), (5, 5618319), (7, 4013085), (15, 1872773), (19, 1478505), (21, 1337695), (35, 802617), (57, 492835), (95, 295701), (105, 267539), (133, 211215), (285, 98567), (399, 70405), (665, 42243), (1995, 14081)]