18697161

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 30578688

約数和(自身を除く): 11881527

約数列:

[1, 3, 7, 17, 21, 51, 83, 119, 249, 357, 581, 631, 1411, 1743, 1893, 4233, 4417, 9877, 10727, 13251, 29631, 32181, 52373, 75089, 157119, 225267, 366611, 890341, 1099833, 2671023, 6232387, 18697161]

約数ペア:

[(1, 18697161), (3, 6232387), (7, 2671023), (17, 1099833), (21, 890341), (51, 366611), (83, 225267), (119, 157119), (249, 75089), (357, 52373), (581, 32181), (631, 29631), (1411, 13251), (1743, 10727), (1893, 9877), (4233, 4417)]