199971255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{6481}}^1$

素因数の和:6528

約数の個数: 48

約数和(自身を含む): 372429792

約数和(自身を除く): 172458537

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 255, 363, 561, 605, 935, 1815, 2057, 2805, 6171, 6481, 10285, 19443, 30855, 32405, 71291, 97215, 110177, 213873, 330531, 356455, 550885, 784201, 1069365, 1211947, 1652655, 2352603, 3635841, 3921005, 6059735, 11763015, 13331417, 18179205, 39994251, 66657085, 199971255]

約数ペア:

[(1, 199971255), (3, 66657085), (5, 39994251), (11, 18179205), (15, 13331417), (17, 11763015), (33, 6059735), (51, 3921005), (55, 3635841), (85, 2352603), (121, 1652655), (165, 1211947), (187, 1069365), (255, 784201), (363, 550885), (561, 356455), (605, 330531), (935, 213873), (1815, 110177), (2057, 97215), (2805, 71291), (6171, 32405), (6481, 30855), (10285, 19443)]