287091255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{367}}^1\times {\mathrm{431}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 507451392

約数和(自身を除く): 220360137

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 367, 431, 605, 1101, 1293, 1815, 1835, 2155, 4037, 4741, 5505, 6465, 12111, 14223, 20185, 23705, 44407, 52151, 60555, 71115, 133221, 156453, 158177, 222035, 260755, 474531, 666105, 782265, 790885, 1739947, 2372655, 5219841, 8699735, 19139417, 26099205, 57418251, 95697085, 287091255]

約数ペア:

[(1, 287091255), (3, 95697085), (5, 57418251), (11, 26099205), (15, 19139417), (33, 8699735), (55, 5219841), (121, 2372655), (165, 1739947), (363, 790885), (367, 782265), (431, 666105), (605, 474531), (1101, 260755), (1293, 222035), (1815, 158177), (1835, 156453), (2155, 133221), (4037, 71115), (4741, 60555), (5505, 52151), (6465, 44407), (12111, 23705), (14223, 20185)]