72438723

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 127795200

約数和(自身を除く): 55356477

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 203, 217, 261, 279, 609, 651, 899, 1279, 1827, 1953, 2697, 3837, 6293, 8091, 8953, 11511, 18879, 26859, 37091, 39649, 56637, 80577, 111273, 118947, 259637, 277543, 333819, 356841, 778911, 832629, 1149821, 2336733, 2497887, 3449463, 8048747, 10348389, 24146241, 72438723]

約数ペア:

[(1, 72438723), (3, 24146241), (7, 10348389), (9, 8048747), (21, 3449463), (29, 2497887), (31, 2336733), (63, 1149821), (87, 832629), (93, 778911), (203, 356841), (217, 333819), (261, 277543), (279, 259637), (609, 118947), (651, 111273), (899, 80577), (1279, 56637), (1827, 39649), (1953, 37091), (2697, 26859), (3837, 18879), (6293, 11511), (8091, 8953)]