17439891

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 28300800

約数和(自身を除く): 10860909

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 401, 763, 1203, 2071, 2289, 2807, 6213, 7619, 8421, 14497, 22857, 43491, 43709, 53333, 131127, 159999, 305963, 830471, 917889, 2491413, 5813297, 17439891]

約数ペア:

[(1, 17439891), (3, 5813297), (7, 2491413), (19, 917889), (21, 830471), (57, 305963), (109, 159999), (133, 131127), (327, 53333), (399, 43709), (401, 43491), (763, 22857), (1203, 14497), (2071, 8421), (2289, 7619), (2807, 6213)]