72123381

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 115801504

約数和(自身を除く): 43678123

約数列:

[1, 3, 9, 11, 33, 99, 103, 121, 309, 363, 643, 927, 1089, 1133, 1929, 3399, 5787, 7073, 10197, 12463, 21219, 37389, 63657, 66229, 77803, 112167, 198687, 233409, 596061, 700227, 728519, 2185557, 6556671, 8013709, 24041127, 72123381]

約数ペア:

[(1, 72123381), (3, 24041127), (9, 8013709), (11, 6556671), (33, 2185557), (99, 728519), (103, 700227), (121, 596061), (309, 233409), (363, 198687), (643, 112167), (927, 77803), (1089, 66229), (1133, 63657), (1929, 37389), (3399, 21219), (5787, 12463), (7073, 10197)]