278328105

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2477}}^1$

素因数の和:2726

約数の個数: 48

約数和(自身を含む): 528825024

約数和(自身を除く): 250496919

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 227, 495, 681, 1135, 2043, 2477, 2497, 3405, 7431, 7491, 10215, 12385, 12485, 22293, 22473, 27247, 37155, 37455, 81741, 111465, 112365, 136235, 245223, 408705, 562279, 1226115, 1686837, 2811395, 5060511, 6185069, 8434185, 18555207, 25302555, 30925345, 55665621, 92776035, 278328105]

約数ペア:

[(1, 278328105), (3, 92776035), (5, 55665621), (9, 30925345), (11, 25302555), (15, 18555207), (33, 8434185), (45, 6185069), (55, 5060511), (99, 2811395), (165, 1686837), (227, 1226115), (495, 562279), (681, 408705), (1135, 245223), (2043, 136235), (2477, 112365), (2497, 111465), (3405, 81741), (7431, 37455), (7491, 37155), (10215, 27247), (12385, 22473), (12485, 22293)]