2785419

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 5241600

約数和(自身を除く): 2456181

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 179, 247, 273, 399, 537, 741, 819, 1197, 1253, 1611, 1729, 2223, 2327, 3401, 3759, 5187, 6981, 10203, 11277, 15561, 16289, 20943, 23807, 30609, 44213, 48867, 71421, 132639, 146601, 214263, 309491, 397917, 928473, 2785419]

約数ペア:

[(1, 2785419), (3, 928473), (7, 397917), (9, 309491), (13, 214263), (19, 146601), (21, 132639), (39, 71421), (57, 48867), (63, 44213), (91, 30609), (117, 23807), (133, 20943), (171, 16289), (179, 15561), (247, 11277), (273, 10203), (399, 6981), (537, 5187), (741, 3759), (819, 3401), (1197, 2327), (1253, 2223), (1611, 1729)]