209291214

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137873}}^1$

素因数の和:137912

約数の個数: 32

約数和(自身を含む): 476492544

約数和(自身を除く): 267201330

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 137873, 275746, 413619, 827238, 1516603, 3033206, 3171079, 4549809, 6342158, 9099618, 9513237, 19026474, 34881869, 69763738, 104645607, 209291214]

約数ペア:

[(1, 209291214), (2, 104645607), (3, 69763738), (6, 34881869), (11, 19026474), (22, 9513237), (23, 9099618), (33, 6342158), (46, 4549809), (66, 3171079), (69, 3033206), (138, 1516603), (253, 827238), (506, 413619), (759, 275746), (1518, 137873)]