72181125

素因数分解:

$3^4\times 5^3\times {\mathrm{7129}}^1$

素因数の和:7156

約数の個数: 40

約数和(自身を含む): 134585880

約数和(自身を除く): 62404755

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 3375, 7129, 10125, 21387, 35645, 64161, 106935, 178225, 192483, 320805, 534675, 577449, 891125, 962415, 1604025, 2673375, 2887245, 4812075, 8020125, 14436225, 24060375, 72181125]

約数ペア:

[(1, 72181125), (3, 24060375), (5, 14436225), (9, 8020125), (15, 4812075), (25, 2887245), (27, 2673375), (45, 1604025), (75, 962415), (81, 891125), (125, 577449), (135, 534675), (225, 320805), (375, 192483), (405, 178225), (675, 106935), (1125, 64161), (2025, 35645), (3375, 21387), (7129, 10125)]