31915545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{487}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 54390528

約数和(自身を除く): 22474983

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 257, 487, 771, 1285, 1461, 2435, 3855, 4369, 7305, 8279, 13107, 21845, 24837, 41395, 65535, 124185, 125159, 375477, 625795, 1877385, 2127703, 6383109, 10638515, 31915545]

約数ペア:

[(1, 31915545), (3, 10638515), (5, 6383109), (15, 2127703), (17, 1877385), (51, 625795), (85, 375477), (255, 125159), (257, 124185), (487, 65535), (771, 41395), (1285, 24837), (1461, 21845), (2435, 13107), (3855, 8279), (4369, 7305)]