53338719

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3613}}^1$

素因数の和:3679

約数の個数: 32

約数和(自身を含む): 87892480

約数和(自身を除く): 34553761

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 3613, 4921, 10839, 14763, 25291, 68647, 75873, 133681, 205941, 401043, 480529, 935767, 1441587, 2539939, 2807301, 7619817, 17779573, 53338719]

約数ペア:

[(1, 53338719), (3, 17779573), (7, 7619817), (19, 2807301), (21, 2539939), (37, 1441587), (57, 935767), (111, 480529), (133, 401043), (259, 205941), (399, 133681), (703, 75873), (777, 68647), (2109, 25291), (3613, 14763), (4921, 10839)]