81801825

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{22259}}^1$

素因数の和:22286

約数の個数: 36

約数和(自身を含む): 157333680

約数和(自身を除く): 75531855

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 22259, 66777, 111295, 155813, 333885, 467439, 556475, 779065, 1090691, 1669425, 2337195, 3272073, 3895325, 5453455, 11685975, 16360365, 27267275, 81801825]

約数ペア:

[(1, 81801825), (3, 27267275), (5, 16360365), (7, 11685975), (15, 5453455), (21, 3895325), (25, 3272073), (35, 2337195), (49, 1669425), (75, 1090691), (105, 779065), (147, 556475), (175, 467439), (245, 333885), (525, 155813), (735, 111295), (1225, 66777), (3675, 22259)]