206560431

素因数分解:

$3^2\times 7^4\times {\mathrm{11}}^2\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 90

約数和(自身を含む): 387434320

約数和(自身を除く): 180873889

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 79, 99, 121, 147, 231, 237, 343, 363, 441, 539, 553, 693, 711, 847, 869, 1029, 1089, 1617, 1659, 2401, 2541, 2607, 3087, 3773, 3871, 4851, 4977, 5929, 6083, 7203, 7623, 7821, 9559, 11319, 11613, 17787, 18249, 21609, 26411, 27097, 28677, 33957, 34839, 41503, 42581, 53361, 54747, 66913, 79233, 81291, 86031, 124509, 127743, 189679, 200739, 237699, 243873, 290521, 298067, 373527, 383229, 468391, 569037, 602217, 871563, 894201, 1405173, 1707111, 2086469, 2614689, 2682603, 3278737, 4215519, 6259407, 9836211, 18778221, 22951159, 29508633, 68853477, 206560431]

約数ペア:

[(1, 206560431), (3, 68853477), (7, 29508633), (9, 22951159), (11, 18778221), (21, 9836211), (33, 6259407), (49, 4215519), (63, 3278737), (77, 2682603), (79, 2614689), (99, 2086469), (121, 1707111), (147, 1405173), (231, 894201), (237, 871563), (343, 602217), (363, 569037), (441, 468391), (539, 383229), (553, 373527), (693, 298067), (711, 290521), (847, 243873), (869, 237699), (1029, 200739), (1089, 189679), (1617, 127743), (1659, 124509), (2401, 86031), (2541, 81291), (2607, 79233), (3087, 66913), (3773, 54747), (3871, 53361), (4851, 42581), (4977, 41503), (5929, 34839), (6083, 33957), (7203, 28677), (7623, 27097), (7821, 26411), (9559, 21609), (11319, 18249), (11613, 17787)]