2979275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 4062240

約数和(自身を除く): 1082965

約数列:

[1, 5, 13, 25, 65, 89, 103, 325, 445, 515, 1157, 1339, 2225, 2575, 5785, 6695, 9167, 28925, 33475, 45835, 119171, 229175, 595855, 2979275]

約数ペア:

[(1, 2979275), (5, 595855), (13, 229175), (25, 119171), (65, 45835), (89, 33475), (103, 28925), (325, 9167), (445, 6695), (515, 5785), (1157, 2575), (1339, 2225)]