195887511

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{907}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 306540800

約数和(自身を除く): 110653289

約数列:

[1, 3, 9, 19, 27, 57, 171, 421, 513, 907, 1263, 2721, 3789, 7999, 8163, 11367, 17233, 23997, 24489, 51699, 71991, 155097, 215973, 381847, 465291, 1145541, 3436623, 7255093, 10309869, 21765279, 65295837, 195887511]

約数ペア:

[(1, 195887511), (3, 65295837), (9, 21765279), (19, 10309869), (27, 7255093), (57, 3436623), (171, 1145541), (421, 465291), (513, 381847), (907, 215973), (1263, 155097), (2721, 71991), (3789, 51699), (7999, 24489), (8163, 23997), (11367, 17233)]