200545455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2887}}^1$

素因数の和:3327

約数の個数: 32

約数和(自身を含む): 350995968

約数和(自身を除く): 150450513

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 421, 1263, 2105, 2887, 4631, 6315, 8661, 13893, 14435, 23155, 31757, 43305, 69465, 95271, 158785, 476355, 1215427, 3646281, 6077135, 13369697, 18231405, 40109091, 66848485, 200545455]

約数ペア:

[(1, 200545455), (3, 66848485), (5, 40109091), (11, 18231405), (15, 13369697), (33, 6077135), (55, 3646281), (165, 1215427), (421, 476355), (1263, 158785), (2105, 95271), (2887, 69465), (4631, 43305), (6315, 31757), (8661, 23155), (13893, 14435)]