2553705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 5643456

約数和(自身を除く): 3089751

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 67, 77, 99, 105, 121, 165, 201, 231, 315, 335, 363, 385, 469, 495, 603, 605, 693, 737, 847, 1005, 1089, 1155, 1407, 1815, 2211, 2345, 2541, 3015, 3465, 3685, 4221, 4235, 5159, 5445, 6633, 7035, 7623, 8107, 11055, 12705, 15477, 21105, 24321, 25795, 33165, 38115, 40535, 46431, 56749, 72963, 77385, 121605, 170247, 232155, 283745, 364815, 510741, 851235, 2553705]

約数ペア:

[(1, 2553705), (3, 851235), (5, 510741), (7, 364815), (9, 283745), (11, 232155), (15, 170247), (21, 121605), (33, 77385), (35, 72963), (45, 56749), (55, 46431), (63, 40535), (67, 38115), (77, 33165), (99, 25795), (105, 24321), (121, 21105), (165, 15477), (201, 12705), (231, 11055), (315, 8107), (335, 7623), (363, 7035), (385, 6633), (469, 5445), (495, 5159), (603, 4235), (605, 4221), (693, 3685), (737, 3465), (847, 3015), (1005, 2541), (1089, 2345), (1155, 2211), (1407, 1815)]