72915831

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 114285600

約数和(自身を除く): 41369769

約数列:

[1, 3, 9, 29, 43, 73, 87, 89, 129, 219, 261, 267, 387, 657, 801, 1247, 2117, 2581, 3139, 3741, 3827, 6351, 6497, 7743, 9417, 11223, 11481, 19053, 19491, 23229, 28251, 34443, 58473, 91031, 110983, 188413, 273093, 279371, 332949, 565239, 819279, 838113, 998847, 1695717, 2514339, 8101759, 24305277, 72915831]

約数ペア:

[(1, 72915831), (3, 24305277), (9, 8101759), (29, 2514339), (43, 1695717), (73, 998847), (87, 838113), (89, 819279), (129, 565239), (219, 332949), (261, 279371), (267, 273093), (387, 188413), (657, 110983), (801, 91031), (1247, 58473), (2117, 34443), (2581, 28251), (3139, 23229), (3741, 19491), (3827, 19053), (6351, 11481), (6497, 11223), (7743, 9417)]