20221425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 42634176

約数和(自身を除く): 22412751

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 37, 45, 63, 75, 105, 111, 175, 185, 225, 259, 315, 333, 347, 525, 555, 777, 925, 1041, 1295, 1575, 1665, 1735, 2331, 2429, 2775, 3123, 3885, 5205, 6475, 7287, 8325, 8675, 11655, 12145, 12839, 15615, 19425, 21861, 26025, 36435, 38517, 58275, 60725, 64195, 78075, 89873, 109305, 115551, 182175, 192585, 269619, 320975, 449365, 546525, 577755, 808857, 962925, 1348095, 2246825, 2888775, 4044285, 6740475, 20221425]

約数ペア:

[(1, 20221425), (3, 6740475), (5, 4044285), (7, 2888775), (9, 2246825), (15, 1348095), (21, 962925), (25, 808857), (35, 577755), (37, 546525), (45, 449365), (63, 320975), (75, 269619), (105, 192585), (111, 182175), (175, 115551), (185, 109305), (225, 89873), (259, 78075), (315, 64195), (333, 60725), (347, 58275), (525, 38517), (555, 36435), (777, 26025), (925, 21861), (1041, 19425), (1295, 15615), (1575, 12839), (1665, 12145), (1735, 11655), (2331, 8675), (2429, 8325), (2775, 7287), (3123, 6475), (3885, 5205)]