207971757

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{70237}}^1$

素因数の和:70297

約数の個数: 24

約数和(自身を含む): 350628096

約数和(自身を除く): 142656339

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 70237, 210711, 491659, 632133, 1474977, 3301139, 4424931, 9903417, 23107973, 29710251, 69323919, 207971757]

約数ペア:

[(1, 207971757), (3, 69323919), (7, 29710251), (9, 23107973), (21, 9903417), (47, 4424931), (63, 3301139), (141, 1474977), (329, 632133), (423, 491659), (987, 210711), (2961, 70237)]