2219481

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 3763584

約数和(自身を除く): 1544103

約数列:

[1, 3, 9, 11, 27, 33, 47, 53, 81, 99, 141, 159, 297, 423, 477, 517, 583, 891, 1269, 1431, 1551, 1749, 2491, 3807, 4293, 4653, 5247, 7473, 13959, 15741, 22419, 27401, 41877, 47223, 67257, 82203, 201771, 246609, 739827, 2219481]

約数ペア:

[(1, 2219481), (3, 739827), (9, 246609), (11, 201771), (27, 82203), (33, 67257), (47, 47223), (53, 41877), (81, 27401), (99, 22419), (141, 15741), (159, 13959), (297, 7473), (423, 5247), (477, 4653), (517, 4293), (583, 3807), (891, 2491), (1269, 1749), (1431, 1551)]