28758267

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 45632000

約数和(自身を除く): 16873733

約数列:

[1, 3, 9, 19, 27, 57, 61, 171, 183, 513, 549, 919, 1159, 1647, 2757, 3477, 8271, 10431, 17461, 24813, 31293, 52383, 56059, 157149, 168177, 471447, 504531, 1065121, 1513593, 3195363, 9586089, 28758267]

約数ペア:

[(1, 28758267), (3, 9586089), (9, 3195363), (19, 1513593), (27, 1065121), (57, 504531), (61, 471447), (171, 168177), (183, 157149), (513, 56059), (549, 52383), (919, 31293), (1159, 24813), (1647, 17461), (2757, 10431), (3477, 8271)]