260865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 48

約数和(自身を含む): 539136

約数和(自身を除く): 278271

約数列:

[1, 3, 5, 9, 11, 15, 17, 31, 33, 45, 51, 55, 85, 93, 99, 153, 155, 165, 187, 255, 279, 341, 465, 495, 527, 561, 765, 935, 1023, 1395, 1581, 1683, 1705, 2635, 2805, 3069, 4743, 5115, 5797, 7905, 8415, 15345, 17391, 23715, 28985, 52173, 86955, 260865]

約数ペア:

[(1, 260865), (3, 86955), (5, 52173), (9, 28985), (11, 23715), (15, 17391), (17, 15345), (31, 8415), (33, 7905), (45, 5797), (51, 5115), (55, 4743), (85, 3069), (93, 2805), (99, 2635), (153, 1705), (155, 1683), (165, 1581), (187, 1395), (255, 1023), (279, 935), (341, 765), (465, 561), (495, 527)]