289201875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 524532096

約数和(自身を除く): 235330221

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 125, 129, 211, 215, 255, 375, 425, 625, 633, 645, 731, 1055, 1075, 1275, 1875, 2125, 2193, 3165, 3225, 3587, 3655, 5275, 5375, 6375, 9073, 10625, 10761, 10965, 15825, 16125, 17935, 18275, 26375, 26875, 27219, 31875, 45365, 53805, 54825, 79125, 80625, 89675, 91375, 131875, 136095, 154241, 226825, 269025, 274125, 395625, 448375, 456875, 462723, 680475, 771205, 1134125, 1345125, 1370625, 2241875, 2313615, 3402375, 3856025, 5670625, 6725625, 11568075, 17011875, 19280125, 57840375, 96400625, 289201875]

約数ペア:

[(1, 289201875), (3, 96400625), (5, 57840375), (15, 19280125), (17, 17011875), (25, 11568075), (43, 6725625), (51, 5670625), (75, 3856025), (85, 3402375), (125, 2313615), (129, 2241875), (211, 1370625), (215, 1345125), (255, 1134125), (375, 771205), (425, 680475), (625, 462723), (633, 456875), (645, 448375), (731, 395625), (1055, 274125), (1075, 269025), (1275, 226825), (1875, 154241), (2125, 136095), (2193, 131875), (3165, 91375), (3225, 89675), (3587, 80625), (3655, 79125), (5275, 54825), (5375, 53805), (6375, 45365), (9073, 31875), (10625, 27219), (10761, 26875), (10965, 26375), (15825, 18275), (16125, 17935)]