15960021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{571}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 26797056

約数和(自身を除く): 10837035

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 571, 847, 1331, 1713, 2541, 3993, 3997, 6281, 9317, 11991, 18843, 27951, 43967, 69091, 131901, 207273, 483637, 760001, 1450911, 2280003, 5320007, 15960021]

約数ペア:

[(1, 15960021), (3, 5320007), (7, 2280003), (11, 1450911), (21, 760001), (33, 483637), (77, 207273), (121, 131901), (231, 69091), (363, 43967), (571, 27951), (847, 18843), (1331, 11991), (1713, 9317), (2541, 6281), (3993, 3997)]