28877805

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 55059264

約数和(自身を除く): 26181459

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 227, 257, 495, 681, 771, 1135, 1285, 2043, 2313, 2497, 2827, 3405, 3855, 7491, 8481, 10215, 11565, 12485, 14135, 22473, 25443, 37455, 42405, 58339, 112365, 127215, 175017, 291695, 525051, 641729, 875085, 1925187, 2625255, 3208645, 5775561, 9625935, 28877805]

約数ペア:

[(1, 28877805), (3, 9625935), (5, 5775561), (9, 3208645), (11, 2625255), (15, 1925187), (33, 875085), (45, 641729), (55, 525051), (99, 291695), (165, 175017), (227, 127215), (257, 112365), (495, 58339), (681, 42405), (771, 37455), (1135, 25443), (1285, 22473), (2043, 14135), (2313, 12485), (2497, 11565), (2827, 10215), (3405, 8481), (3855, 7491)]