81781488

素因数分解:

$2^4\times 3^4\times {\mathrm{63103}}^1$

素因数の和:63123

約数の個数: 50

約数和(自身を含む): 236703104

約数和(自身を除く): 154921616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 63103, 126206, 189309, 252412, 378618, 504824, 567927, 757236, 1009648, 1135854, 1514472, 1703781, 2271708, 3028944, 3407562, 4543416, 5111343, 6815124, 9086832, 10222686, 13630248, 20445372, 27260496, 40890744, 81781488]

約数ペア:

[(1, 81781488), (2, 40890744), (3, 27260496), (4, 20445372), (6, 13630248), (8, 10222686), (9, 9086832), (12, 6815124), (16, 5111343), (18, 4543416), (24, 3407562), (27, 3028944), (36, 2271708), (48, 1703781), (54, 1514472), (72, 1135854), (81, 1009648), (108, 757236), (144, 567927), (162, 504824), (216, 378618), (324, 252412), (432, 189309), (648, 126206), (1296, 63103)]