72787725

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{6883}}^1$

素因数の和:6946

約数の個数: 36

約数和(自身を含む): 133164096

約数和(自身を除く): 60376371

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2115, 3525, 6883, 10575, 20649, 34415, 61947, 103245, 172075, 309735, 323501, 516225, 970503, 1548675, 1617505, 2911509, 4852515, 8087525, 14557545, 24262575, 72787725]

約数ペア:

[(1, 72787725), (3, 24262575), (5, 14557545), (9, 8087525), (15, 4852515), (25, 2911509), (45, 1617505), (47, 1548675), (75, 970503), (141, 516225), (225, 323501), (235, 309735), (423, 172075), (705, 103245), (1175, 61947), (2115, 34415), (3525, 20649), (6883, 10575)]