1927791

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 2970240

約数和(自身を除く): 1042449

約数列:

[1, 3, 9, 23, 67, 69, 139, 201, 207, 417, 603, 1251, 1541, 3197, 4623, 9313, 9591, 13869, 27939, 28773, 83817, 214199, 642597, 1927791]

約数ペア:

[(1, 1927791), (3, 642597), (9, 214199), (23, 83817), (67, 28773), (69, 27939), (139, 13869), (201, 9591), (207, 9313), (417, 4623), (603, 3197), (1251, 1541)]