25842747

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 42550272

約数和(自身を除く): 16707525

約数列:

[1, 3, 7, 21, 31, 49, 53, 93, 107, 147, 159, 217, 321, 371, 651, 749, 1113, 1519, 1643, 2247, 2597, 3317, 4557, 4929, 5243, 5671, 7791, 9951, 11501, 15729, 17013, 23219, 34503, 39697, 69657, 80507, 119091, 162533, 175801, 241521, 277879, 487599, 527403, 833637, 1230607, 3691821, 8614249, 25842747]

約数ペア:

[(1, 25842747), (3, 8614249), (7, 3691821), (21, 1230607), (31, 833637), (49, 527403), (53, 487599), (93, 277879), (107, 241521), (147, 175801), (159, 162533), (217, 119091), (321, 80507), (371, 69657), (651, 39697), (749, 34503), (1113, 23219), (1519, 17013), (1643, 15729), (2247, 11501), (2597, 9951), (3317, 7791), (4557, 5671), (4929, 5243)]