31371813

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 51684480

約数和(自身を除く): 20312667

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 159, 297, 477, 583, 1431, 1749, 1993, 5247, 5979, 15741, 17937, 21923, 53811, 65769, 105629, 197307, 316887, 591921, 950661, 1161919, 2851983, 3485757, 10457271, 31371813]

約数ペア:

[(1, 31371813), (3, 10457271), (9, 3485757), (11, 2851983), (27, 1161919), (33, 950661), (53, 591921), (99, 316887), (159, 197307), (297, 105629), (477, 65769), (583, 53811), (1431, 21923), (1749, 17937), (1993, 15741), (5247, 5979)]