1237923

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 40

約数和(自身を含む): 2090880

約数和(自身を除く): 852957

約数列:

[1, 3, 9, 17, 27, 29, 31, 51, 81, 87, 93, 153, 261, 279, 459, 493, 527, 783, 837, 899, 1377, 1479, 1581, 2349, 2511, 2697, 4437, 4743, 8091, 13311, 14229, 15283, 24273, 39933, 42687, 45849, 72819, 137547, 412641, 1237923]

約数ペア:

[(1, 1237923), (3, 412641), (9, 137547), (17, 72819), (27, 45849), (29, 42687), (31, 39933), (51, 24273), (81, 15283), (87, 14229), (93, 13311), (153, 8091), (261, 4743), (279, 4437), (459, 2697), (493, 2511), (527, 2349), (783, 1581), (837, 1479), (899, 1377)]