287600001

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{827}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 426400128

約数和(自身を除く): 138800127

約数列:

[1, 3, 13, 37, 39, 111, 241, 481, 723, 827, 1443, 2481, 3133, 8917, 9399, 10751, 26751, 30599, 32253, 91797, 115921, 199307, 347763, 397787, 597921, 1193361, 2590991, 7374359, 7772973, 22123077, 95866667, 287600001]

約数ペア:

[(1, 287600001), (3, 95866667), (13, 22123077), (37, 7772973), (39, 7374359), (111, 2590991), (241, 1193361), (481, 597921), (723, 397787), (827, 347763), (1443, 199307), (2481, 115921), (3133, 91797), (8917, 32253), (9399, 30599), (10751, 26751)]