72919701

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 116413440

約数和(自身を除く): 43493739

約数列:

[1, 3, 9, 19, 43, 47, 57, 129, 141, 171, 211, 387, 423, 633, 817, 893, 1899, 2021, 2451, 2679, 4009, 6063, 7353, 8037, 9073, 9917, 12027, 18189, 27219, 29751, 36081, 38399, 81657, 89253, 115197, 172387, 188423, 345591, 426431, 517161, 565269, 1279293, 1551483, 1695807, 3837879, 8102189, 24306567, 72919701]

約数ペア:

[(1, 72919701), (3, 24306567), (9, 8102189), (19, 3837879), (43, 1695807), (47, 1551483), (57, 1279293), (129, 565269), (141, 517161), (171, 426431), (211, 345591), (387, 188423), (423, 172387), (633, 115197), (817, 89253), (893, 81657), (1899, 38399), (2021, 36081), (2451, 29751), (2679, 27219), (4009, 18189), (6063, 12027), (7353, 9917), (8037, 9073)]