51216285

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2801}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 87153408

約数和(自身を除く): 35937123

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 795, 1219, 2801, 3657, 6095, 8403, 14005, 18285, 42015, 64423, 148453, 193269, 322115, 445359, 742265, 966345, 2226795, 3414419, 10243257, 17072095, 51216285]

約数ペア:

[(1, 51216285), (3, 17072095), (5, 10243257), (15, 3414419), (23, 2226795), (53, 966345), (69, 742265), (115, 445359), (159, 322115), (265, 193269), (345, 148453), (795, 64423), (1219, 42015), (2801, 18285), (3657, 14005), (6095, 8403)]