31364361

素因数分解:

$3^3\times 7^2\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 54756480

約数和(自身を除く): 23392119

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 151, 157, 189, 441, 453, 471, 1057, 1099, 1323, 1359, 1413, 3171, 3297, 4077, 4239, 7399, 7693, 9513, 9891, 22197, 23079, 23707, 28539, 29673, 66591, 69237, 71121, 165949, 199773, 207711, 213363, 497847, 640089, 1161643, 1493541, 3484929, 4480623, 10454787, 31364361]

約数ペア:

[(1, 31364361), (3, 10454787), (7, 4480623), (9, 3484929), (21, 1493541), (27, 1161643), (49, 640089), (63, 497847), (147, 213363), (151, 207711), (157, 199773), (189, 165949), (441, 71121), (453, 69237), (471, 66591), (1057, 29673), (1099, 28539), (1323, 23707), (1359, 23079), (1413, 22197), (3171, 9891), (3297, 9513), (4077, 7693), (4239, 7399)]