28863675

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 53969760

約数和(自身を除く): 25106085

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 549, 675, 701, 915, 1525, 1647, 2103, 2745, 3505, 4575, 6309, 8235, 10515, 13725, 17525, 18927, 31545, 41175, 42761, 52575, 94635, 128283, 157725, 213805, 384849, 473175, 641415, 1069025, 1154547, 1924245, 3207075, 5772735, 9621225, 28863675]

約数ペア:

[(1, 28863675), (3, 9621225), (5, 5772735), (9, 3207075), (15, 1924245), (25, 1154547), (27, 1069025), (45, 641415), (61, 473175), (75, 384849), (135, 213805), (183, 157725), (225, 128283), (305, 94635), (549, 52575), (675, 42761), (701, 41175), (915, 31545), (1525, 18927), (1647, 17525), (2103, 13725), (2745, 10515), (3505, 8235), (4575, 6309)]