80971758

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{214211}}^1$

素因数の和:214229

約数の個数: 32

約数和(自身を含む): 205643520

約数和(自身を除く): 124671762

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 214211, 428422, 642633, 1285266, 1499477, 1927899, 2998954, 3855798, 4498431, 5783697, 8996862, 11567394, 13495293, 26990586, 40485879, 80971758]

約数ペア:

[(1, 80971758), (2, 40485879), (3, 26990586), (6, 13495293), (7, 11567394), (9, 8996862), (14, 5783697), (18, 4498431), (21, 3855798), (27, 2998954), (42, 1927899), (54, 1499477), (63, 1285266), (126, 642633), (189, 428422), (378, 214211)]