28988835

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 19533405

約数列:

[1, 3, 5, 15, 29, 87, 103, 145, 309, 435, 515, 647, 1545, 1941, 2987, 3235, 8961, 9705, 14935, 18763, 44805, 56289, 66641, 93815, 199923, 281445, 333205, 999615, 1932589, 5797767, 9662945, 28988835]

約数ペア:

[(1, 28988835), (3, 9662945), (5, 5797767), (15, 1932589), (29, 999615), (87, 333205), (103, 281445), (145, 199923), (309, 93815), (435, 66641), (515, 56289), (647, 44805), (1545, 18763), (1941, 14935), (2987, 9705), (3235, 8961)]