1221369

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 1757184

約数和(自身を除く): 535815

約数列:

[1, 3, 23, 31, 69, 93, 571, 713, 1713, 2139, 13133, 17701, 39399, 53103, 407123, 1221369]

約数ペア:

[(1, 1221369), (3, 407123), (23, 53103), (31, 39399), (69, 17701), (93, 13133), (571, 2139), (713, 1713)]