213282015

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{877}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 353335296

約数和(自身を除く): 140053281

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 523, 877, 1569, 2615, 2631, 4385, 7845, 13155, 16213, 27187, 48639, 81065, 81561, 135935, 243195, 407805, 458671, 1376013, 2293355, 6880065, 14218801, 42656403, 71094005, 213282015]

約数ペア:

[(1, 213282015), (3, 71094005), (5, 42656403), (15, 14218801), (31, 6880065), (93, 2293355), (155, 1376013), (465, 458671), (523, 407805), (877, 243195), (1569, 135935), (2615, 81561), (2631, 81065), (4385, 48639), (7845, 27187), (13155, 16213)]