19937043

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2851}}^1$

素因数の和:2904

約数の個数: 32

約数和(自身を含む): 34680320

約数和(自身を除く): 14743277

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 2851, 6993, 8553, 19957, 25659, 59871, 76977, 105487, 179613, 316461, 538839, 738409, 949383, 2215227, 2848149, 6645681, 19937043]

約数ペア:

[(1, 19937043), (3, 6645681), (7, 2848149), (9, 2215227), (21, 949383), (27, 738409), (37, 538839), (63, 316461), (111, 179613), (189, 105487), (259, 76977), (333, 59871), (777, 25659), (999, 19957), (2331, 8553), (2851, 6993)]