28087209

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1522

約数の個数: 32

約数和(自身を含む): 44851200

約数和(自身を除く): 16763991

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 621, 713, 837, 1459, 2139, 4377, 6417, 13131, 19251, 33557, 39393, 45229, 100671, 135687, 302013, 407061, 906039, 1040267, 1221183, 3120801, 9362403, 28087209]

約数ペア:

[(1, 28087209), (3, 9362403), (9, 3120801), (23, 1221183), (27, 1040267), (31, 906039), (69, 407061), (93, 302013), (207, 135687), (279, 100671), (621, 45229), (713, 39393), (837, 33557), (1459, 19251), (2139, 13131), (4377, 6417)]