211885779

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1\times {\mathrm{353}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 328149504

約数和(自身を除く): 116263725

約数列:

[1, 3, 7, 21, 101, 283, 303, 353, 707, 849, 1059, 1981, 2121, 2471, 5943, 7413, 28583, 35653, 85749, 99899, 106959, 200081, 249571, 299697, 600243, 699293, 748713, 2097879, 10089799, 30269397, 70628593, 211885779]

約数ペア:

[(1, 211885779), (3, 70628593), (7, 30269397), (21, 10089799), (101, 2097879), (283, 748713), (303, 699293), (353, 600243), (707, 299697), (849, 249571), (1059, 200081), (1981, 106959), (2121, 99899), (2471, 85749), (5943, 35653), (7413, 28583)]