2872779

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 4999680

約数和(自身を除く): 2126901

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 619, 663, 1547, 1857, 4333, 4641, 8047, 10523, 12999, 24141, 31569, 56329, 73661, 136799, 168987, 220983, 410397, 957593, 2872779]

約数ペア:

[(1, 2872779), (3, 957593), (7, 410397), (13, 220983), (17, 168987), (21, 136799), (39, 73661), (51, 56329), (91, 31569), (119, 24141), (221, 12999), (273, 10523), (357, 8047), (619, 4641), (663, 4333), (1547, 1857)]