117721275

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 229342464

約数和(自身を除く): 111621189

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 103, 105, 147, 175, 245, 309, 311, 515, 525, 721, 735, 933, 1225, 1545, 1555, 2163, 2177, 2575, 3605, 3675, 4665, 5047, 6531, 7725, 7775, 10815, 10885, 15141, 15239, 18025, 23325, 25235, 32033, 32655, 45717, 54075, 54425, 75705, 76195, 96099, 126175, 160165, 163275, 224231, 228585, 378525, 380975, 480495, 672693, 800825, 1121155, 1142925, 1569617, 2402475, 3363465, 4708851, 5605775, 7848085, 16817325, 23544255, 39240425, 117721275]

約数ペア:

[(1, 117721275), (3, 39240425), (5, 23544255), (7, 16817325), (15, 7848085), (21, 5605775), (25, 4708851), (35, 3363465), (49, 2402475), (75, 1569617), (103, 1142925), (105, 1121155), (147, 800825), (175, 672693), (245, 480495), (309, 380975), (311, 378525), (515, 228585), (525, 224231), (721, 163275), (735, 160165), (933, 126175), (1225, 96099), (1545, 76195), (1555, 75705), (2163, 54425), (2177, 54075), (2575, 45717), (3605, 32655), (3675, 32033), (4665, 25235), (5047, 23325), (6531, 18025), (7725, 15239), (7775, 15141), (10815, 10885)]