142801981

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 174140928

約数和(自身を除く): 31338947

約数列:

[1, 7, 37, 53, 101, 103, 259, 371, 707, 721, 1961, 3737, 3811, 5353, 5459, 10403, 13727, 26159, 26677, 37471, 38213, 72821, 198061, 201983, 384911, 551359, 1386427, 1413881, 2694377, 3859513, 20400283, 142801981]

約数ペア:

[(1, 142801981), (7, 20400283), (37, 3859513), (53, 2694377), (101, 1413881), (103, 1386427), (259, 551359), (371, 384911), (707, 201983), (721, 198061), (1961, 72821), (3737, 38213), (3811, 37471), (5353, 26677), (5459, 26159), (10403, 13727)]