204511275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 391832064

約数和(自身を除く): 187320789

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 127, 153, 225, 255, 381, 421, 425, 635, 765, 1143, 1263, 1275, 1905, 2105, 2159, 3175, 3789, 3825, 5715, 6315, 6477, 7157, 9525, 10525, 10795, 18945, 19431, 21471, 28575, 31575, 32385, 35785, 53467, 53975, 64413, 94725, 97155, 107355, 160401, 161925, 178925, 267335, 322065, 481203, 485775, 536775, 802005, 908939, 1336675, 1610325, 2406015, 2726817, 4010025, 4544695, 8180451, 12030075, 13634085, 22723475, 40902255, 68170425, 204511275]

約数ペア:

[(1, 204511275), (3, 68170425), (5, 40902255), (9, 22723475), (15, 13634085), (17, 12030075), (25, 8180451), (45, 4544695), (51, 4010025), (75, 2726817), (85, 2406015), (127, 1610325), (153, 1336675), (225, 908939), (255, 802005), (381, 536775), (421, 485775), (425, 481203), (635, 322065), (765, 267335), (1143, 178925), (1263, 161925), (1275, 160401), (1905, 107355), (2105, 97155), (2159, 94725), (3175, 64413), (3789, 53975), (3825, 53467), (5715, 35785), (6315, 32385), (6477, 31575), (7157, 28575), (9525, 21471), (10525, 19431), (10795, 18945)]