1878950913

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{38851}}^1$

素因数の和:38922

約数の個数: 32

約数和(自身を含む): 2983833600

約数和(自身を除く): 1104882687

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 2303, 6909, 16121, 38851, 48363, 116553, 271957, 815871, 1825997, 1903699, 5477991, 5711097, 12781979, 13325893, 38345937, 39977679, 89473853, 268421559, 626316971, 1878950913]

約数ペア:

[(1, 1878950913), (3, 626316971), (7, 268421559), (21, 89473853), (47, 39977679), (49, 38345937), (141, 13325893), (147, 12781979), (329, 5711097), (343, 5477991), (987, 1903699), (1029, 1825997), (2303, 815871), (6909, 271957), (16121, 116553), (38851, 48363)]