42642207

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 68023296

約数和(自身を除く): 25381089

約数列:

[1, 3, 9, 23, 27, 47, 69, 81, 141, 207, 423, 487, 621, 1081, 1269, 1461, 1863, 3243, 3807, 4383, 9729, 11201, 13149, 22889, 29187, 33603, 39447, 68667, 87561, 100809, 206001, 302427, 526447, 618003, 907281, 1579341, 1854009, 4738023, 14214069, 42642207]

約数ペア:

[(1, 42642207), (3, 14214069), (9, 4738023), (23, 1854009), (27, 1579341), (47, 907281), (69, 618003), (81, 526447), (141, 302427), (207, 206001), (423, 100809), (487, 87561), (621, 68667), (1081, 39447), (1269, 33603), (1461, 29187), (1863, 22889), (3243, 13149), (3807, 11201), (4383, 9729)]