42165333

素因数分解:

$3^3\times 7^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 75840000

約数和(自身を除く): 33674667

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 157, 189, 203, 261, 343, 441, 471, 609, 783, 1029, 1099, 1323, 1413, 1421, 1827, 3087, 3297, 4239, 4263, 4553, 5481, 7693, 9261, 9891, 9947, 12789, 13659, 23079, 29673, 29841, 31871, 38367, 40977, 53851, 69237, 89523, 95613, 122931, 161553, 207711, 223097, 268569, 286839, 484659, 669291, 860517, 1453977, 1561679, 2007873, 4685037, 6023619, 14055111, 42165333]

約数ペア:

[(1, 42165333), (3, 14055111), (7, 6023619), (9, 4685037), (21, 2007873), (27, 1561679), (29, 1453977), (49, 860517), (63, 669291), (87, 484659), (147, 286839), (157, 268569), (189, 223097), (203, 207711), (261, 161553), (343, 122931), (441, 95613), (471, 89523), (609, 69237), (783, 53851), (1029, 40977), (1099, 38367), (1323, 31871), (1413, 29841), (1421, 29673), (1827, 23079), (3087, 13659), (3297, 12789), (4239, 9947), (4263, 9891), (4553, 9261), (5481, 7693)]