272745

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:70

約数の個数: 48

約数和(自身を含む): 561600

約数和(自身を除く): 288855

約数列:

[1, 3, 5, 9, 11, 15, 19, 29, 33, 45, 55, 57, 87, 95, 99, 145, 165, 171, 209, 261, 285, 319, 435, 495, 551, 627, 855, 957, 1045, 1305, 1595, 1653, 1881, 2755, 2871, 3135, 4785, 4959, 6061, 8265, 9405, 14355, 18183, 24795, 30305, 54549, 90915, 272745]

約数ペア:

[(1, 272745), (3, 90915), (5, 54549), (9, 30305), (11, 24795), (15, 18183), (19, 14355), (29, 9405), (33, 8265), (45, 6061), (55, 4959), (57, 4785), (87, 3135), (95, 2871), (99, 2755), (145, 1881), (165, 1653), (171, 1595), (209, 1305), (261, 1045), (285, 957), (319, 855), (435, 627), (495, 551)]