81644805

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8681}}^1$

素因数の和:8722

約数の個数: 48

約数和(自身を含む): 162527040

約数和(自身を除く): 80882235

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 3135, 8681, 9405, 26043, 43405, 78129, 95491, 130215, 164939, 286473, 390645, 477455, 494817, 824695, 859419, 1432365, 1484451, 1814329, 2474085, 4297095, 5442987, 7422255, 9071645, 16328961, 27214935, 81644805]

約数ペア:

[(1, 81644805), (3, 27214935), (5, 16328961), (9, 9071645), (11, 7422255), (15, 5442987), (19, 4297095), (33, 2474085), (45, 1814329), (55, 1484451), (57, 1432365), (95, 859419), (99, 824695), (165, 494817), (171, 477455), (209, 390645), (285, 286473), (495, 164939), (627, 130215), (855, 95491), (1045, 78129), (1881, 43405), (3135, 26043), (8681, 9405)]