78893871

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 131765760

約数和(自身を除く): 52871889

約数列:

[1, 3, 7, 19, 21, 47, 49, 57, 133, 141, 147, 329, 399, 601, 893, 931, 987, 1803, 2303, 2679, 2793, 4207, 6251, 6909, 11419, 12621, 18753, 28247, 29449, 34257, 43757, 79933, 84741, 88347, 131271, 197729, 239799, 536693, 559531, 593187, 1384103, 1610079, 1678593, 3756851, 4152309, 11270553, 26297957, 78893871]

約数ペア:

[(1, 78893871), (3, 26297957), (7, 11270553), (19, 4152309), (21, 3756851), (47, 1678593), (49, 1610079), (57, 1384103), (133, 593187), (141, 559531), (147, 536693), (329, 239799), (399, 197729), (601, 131271), (893, 88347), (931, 84741), (987, 79933), (1803, 43757), (2303, 34257), (2679, 29449), (2793, 28247), (4207, 18753), (6251, 12621), (6909, 11419)]