81117795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 151787520

約数和(自身を除く): 70669725

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 239, 255, 363, 561, 605, 717, 935, 1195, 1331, 1815, 2057, 2629, 2805, 3585, 3993, 4063, 6171, 6655, 7887, 10285, 12189, 13145, 19965, 20315, 22627, 28919, 30855, 39435, 44693, 60945, 67881, 86757, 113135, 134079, 144595, 223465, 318109, 339405, 433785, 491623, 670395, 954327, 1474869, 1590545, 2458115, 4771635, 5407853, 7374345, 16223559, 27039265, 81117795]

約数ペア:

[(1, 81117795), (3, 27039265), (5, 16223559), (11, 7374345), (15, 5407853), (17, 4771635), (33, 2458115), (51, 1590545), (55, 1474869), (85, 954327), (121, 670395), (165, 491623), (187, 433785), (239, 339405), (255, 318109), (363, 223465), (561, 144595), (605, 134079), (717, 113135), (935, 86757), (1195, 67881), (1331, 60945), (1815, 44693), (2057, 39435), (2629, 30855), (2805, 28919), (3585, 22627), (3993, 20315), (4063, 19965), (6171, 13145), (6655, 12189), (7887, 10285)]