72728505

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 130201344

約数和(自身を除く): 57472839

約数列:

[1, 3, 5, 9, 15, 45, 47, 137, 141, 235, 251, 411, 423, 685, 705, 753, 1233, 1255, 2055, 2115, 2259, 3765, 6165, 6439, 11295, 11797, 19317, 32195, 34387, 35391, 57951, 58985, 96585, 103161, 106173, 171935, 176955, 289755, 309483, 515805, 530865, 1547415, 1616189, 4848567, 8080945, 14545701, 24242835, 72728505]

約数ペア:

[(1, 72728505), (3, 24242835), (5, 14545701), (9, 8080945), (15, 4848567), (45, 1616189), (47, 1547415), (137, 530865), (141, 515805), (235, 309483), (251, 289755), (411, 176955), (423, 171935), (685, 106173), (705, 103161), (753, 96585), (1233, 58985), (1255, 57951), (2055, 35391), (2115, 34387), (2259, 32195), (3765, 19317), (6165, 11797), (6439, 11295)]