40005381

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 59609088

約数和(自身を除く): 19603707

約数列:

[1, 3, 13, 39, 41, 123, 127, 197, 381, 533, 591, 1599, 1651, 2561, 4953, 5207, 7683, 8077, 15621, 24231, 25019, 67691, 75057, 105001, 203073, 315003, 325247, 975741, 1025779, 3077337, 13335127, 40005381]

約数ペア:

[(1, 40005381), (3, 13335127), (13, 3077337), (39, 1025779), (41, 975741), (123, 325247), (127, 315003), (197, 203073), (381, 105001), (533, 75057), (591, 67691), (1599, 25019), (1651, 24231), (2561, 15621), (4953, 8077), (5207, 7683)]