30821049

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1554

約数の個数: 36

約数和(自身を含む): 52925184

約数和(自身を除く): 22104135

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 1487, 2303, 2961, 4461, 6909, 10409, 13383, 20727, 31227, 69889, 72863, 93681, 209667, 218589, 489223, 629001, 655767, 1467669, 3424561, 4403007, 10273683, 30821049]

約数ペア:

[(1, 30821049), (3, 10273683), (7, 4403007), (9, 3424561), (21, 1467669), (47, 655767), (49, 629001), (63, 489223), (141, 218589), (147, 209667), (329, 93681), (423, 72863), (441, 69889), (987, 31227), (1487, 20727), (2303, 13383), (2961, 10409), (4461, 6909)]