218362431

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{977}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 345507840

約数和(自身を除く): 127145409

約数列:

[1, 3, 7, 21, 29, 87, 203, 367, 609, 977, 1101, 2569, 2931, 6839, 7707, 10643, 20517, 28333, 31929, 74501, 84999, 198331, 223503, 358559, 594993, 1075677, 2509913, 7529739, 10398211, 31194633, 72787477, 218362431]

約数ペア:

[(1, 218362431), (3, 72787477), (7, 31194633), (21, 10398211), (29, 7529739), (87, 2509913), (203, 1075677), (367, 594993), (609, 358559), (977, 223503), (1101, 198331), (2569, 84999), (2931, 74501), (6839, 31929), (7707, 28333), (10643, 20517)]