28603281

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 16555119

約数列:

[1, 3, 7, 21, 41, 123, 139, 239, 287, 417, 717, 861, 973, 1673, 2919, 5019, 5699, 9799, 17097, 29397, 33221, 39893, 68593, 99663, 119679, 205779, 232547, 697641, 1362061, 4086183, 9534427, 28603281]

約数ペア:

[(1, 28603281), (3, 9534427), (7, 4086183), (21, 1362061), (41, 697641), (123, 232547), (139, 205779), (239, 119679), (287, 99663), (417, 68593), (717, 39893), (861, 33221), (973, 29397), (1673, 17097), (2919, 9799), (5019, 5699)]