64940631

素因数分解:

$3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{1439}}^1$

素因数の和:1763

約数の個数: 24

約数和(自身を含む): 101122560

約数和(自身を除く): 36181929

約数列:

[1, 3, 7, 21, 49, 147, 307, 921, 1439, 2149, 4317, 6447, 10073, 15043, 30219, 45129, 70511, 211533, 441773, 1325319, 3092411, 9277233, 21646877, 64940631]

約数ペア:

[(1, 64940631), (3, 21646877), (7, 9277233), (21, 3092411), (49, 1325319), (147, 441773), (307, 211533), (921, 70511), (1439, 45129), (2149, 30219), (4317, 15043), (6447, 10073)]