1640821275

素因数分解:

$3^2\times 5^2\times {\mathrm{563}}^1\times {\mathrm{12953}}^1$

素因数の和:13532

約数の個数: 36

約数和(自身を含む): 2944340568

約数和(自身を除く): 1303519293

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 563, 1689, 2815, 5067, 8445, 12953, 14075, 25335, 38859, 42225, 64765, 116577, 126675, 194295, 323825, 582885, 971475, 2914425, 7292539, 21877617, 36462695, 65632851, 109388085, 182313475, 328164255, 546940425, 1640821275]

約数ペア:

[(1, 1640821275), (3, 546940425), (5, 328164255), (9, 182313475), (15, 109388085), (25, 65632851), (45, 36462695), (75, 21877617), (225, 7292539), (563, 2914425), (1689, 971475), (2815, 582885), (5067, 323825), (8445, 194295), (12953, 126675), (14075, 116577), (25335, 64765), (38859, 42225)]