77742225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 153900864

約数和(自身を除く): 76158639

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 101, 165, 225, 275, 303, 311, 495, 505, 825, 909, 933, 1111, 1515, 1555, 2475, 2525, 2799, 3333, 3421, 4545, 4665, 5555, 7575, 7775, 9999, 10263, 13995, 16665, 17105, 22725, 23325, 27775, 30789, 31411, 49995, 51315, 69975, 83325, 85525, 94233, 153945, 157055, 249975, 256575, 282699, 345521, 471165, 769725, 785275, 1036563, 1413495, 1727605, 2355825, 3109689, 5182815, 7067475, 8638025, 15548445, 25914075, 77742225]

約数ペア:

[(1, 77742225), (3, 25914075), (5, 15548445), (9, 8638025), (11, 7067475), (15, 5182815), (25, 3109689), (33, 2355825), (45, 1727605), (55, 1413495), (75, 1036563), (99, 785275), (101, 769725), (165, 471165), (225, 345521), (275, 282699), (303, 256575), (311, 249975), (495, 157055), (505, 153945), (825, 94233), (909, 85525), (933, 83325), (1111, 69975), (1515, 51315), (1555, 49995), (2475, 31411), (2525, 30789), (2799, 27775), (3333, 23325), (3421, 22725), (4545, 17105), (4665, 16665), (5555, 13995), (7575, 10263), (7775, 9999)]