74191257

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61981}}^1$

素因数の和:62013

約数の個数: 24

約数和(自身を含む): 128922560

約数和(自身を除く): 54731303

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 61981, 185943, 433867, 557829, 1177639, 1301601, 3532917, 3904803, 8243473, 10598751, 24730419, 74191257]

約数ペア:

[(1, 74191257), (3, 24730419), (7, 10598751), (9, 8243473), (19, 3904803), (21, 3532917), (57, 1301601), (63, 1177639), (133, 557829), (171, 433867), (399, 185943), (1197, 61981)]