199803121

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{953}}^1$

素因数の和:1512

約数の個数: 16

約数和(自身を含む): 232806528

約数和(自身を除く): 33003407

約数列:

[1, 7, 61, 427, 491, 953, 3437, 6671, 29951, 58133, 209657, 406931, 467923, 3275461, 28543303, 199803121]

約数ペア:

[(1, 199803121), (7, 28543303), (61, 3275461), (427, 467923), (491, 406931), (953, 209657), (3437, 58133), (6671, 29951)]