153643721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 198451200

約数和(自身を除く): 44807479

約数列:

[1, 7, 11, 37, 77, 199, 259, 271, 407, 1393, 1897, 2189, 2849, 2981, 7363, 10027, 15323, 20867, 51541, 53929, 70189, 80993, 110297, 377503, 566951, 593219, 772079, 1995373, 4152533, 13967611, 21949103, 153643721]

約数ペア:

[(1, 153643721), (7, 21949103), (11, 13967611), (37, 4152533), (77, 1995373), (199, 772079), (259, 593219), (271, 566951), (407, 377503), (1393, 110297), (1897, 80993), (2189, 70189), (2849, 53929), (2981, 51541), (7363, 20867), (10027, 15323)]