128832123

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 211438080

約数和(自身を除く): 82605957

約数列:

[1, 3, 7, 21, 29, 47, 49, 87, 141, 147, 203, 329, 609, 643, 987, 1363, 1421, 1929, 2303, 4089, 4263, 4501, 6909, 9541, 13503, 18647, 28623, 30221, 31507, 55941, 66787, 90663, 94521, 130529, 200361, 211547, 391587, 634641, 876409, 913703, 1480829, 2629227, 2741109, 4442487, 6134863, 18404589, 42944041, 128832123]

約数ペア:

[(1, 128832123), (3, 42944041), (7, 18404589), (21, 6134863), (29, 4442487), (47, 2741109), (49, 2629227), (87, 1480829), (141, 913703), (147, 876409), (203, 634641), (329, 391587), (609, 211547), (643, 200361), (987, 130529), (1363, 94521), (1421, 90663), (1929, 66787), (2303, 55941), (4089, 31507), (4263, 30221), (4501, 28623), (6909, 18647), (9541, 13503)]