7898397

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 12042240

約数和(自身を除く): 4143843

約数列:

[1, 3, 13, 31, 39, 47, 93, 139, 141, 403, 417, 611, 1209, 1457, 1807, 1833, 4309, 4371, 5421, 6533, 12927, 18941, 19599, 56017, 56823, 84929, 168051, 202523, 254787, 607569, 2632799, 7898397]

約数ペア:

[(1, 7898397), (3, 2632799), (13, 607569), (31, 254787), (39, 202523), (47, 168051), (93, 84929), (139, 56823), (141, 56017), (403, 19599), (417, 18941), (611, 12927), (1209, 6533), (1457, 5421), (1807, 4371), (1833, 4309)]