223840275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{419}}^2$

素因数の和:868

約数の個数: 36

約数和(自身を含む): 392789592

約数和(自身を除く): 168949317

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 419, 425, 1257, 1275, 2095, 6285, 7123, 10475, 21369, 31425, 35615, 106845, 175561, 178075, 526683, 534225, 877805, 2633415, 2984537, 4389025, 8953611, 13167075, 14922685, 44768055, 74613425, 223840275]

約数ペア:

[(1, 223840275), (3, 74613425), (5, 44768055), (15, 14922685), (17, 13167075), (25, 8953611), (51, 4389025), (75, 2984537), (85, 2633415), (255, 877805), (419, 534225), (425, 526683), (1257, 178075), (1275, 175561), (2095, 106845), (6285, 35615), (7123, 31425), (10475, 21369)]