42210747

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 70041600

約数和(自身を除く): 27830853

約数列:

[1, 3, 9, 27, 29, 31, 37, 47, 87, 93, 111, 141, 261, 279, 333, 423, 783, 837, 899, 999, 1073, 1147, 1269, 1363, 1457, 1739, 2697, 3219, 3441, 4089, 4371, 5217, 8091, 9657, 10323, 12267, 13113, 15651, 24273, 28971, 30969, 33263, 36801, 39339, 42253, 46953, 50431, 53909, 99789, 126759, 151293, 161727, 299367, 380277, 453879, 485181, 898101, 1140831, 1361637, 1455543, 1563361, 4690083, 14070249, 42210747]

約数ペア:

[(1, 42210747), (3, 14070249), (9, 4690083), (27, 1563361), (29, 1455543), (31, 1361637), (37, 1140831), (47, 898101), (87, 485181), (93, 453879), (111, 380277), (141, 299367), (261, 161727), (279, 151293), (333, 126759), (423, 99789), (783, 53909), (837, 50431), (899, 46953), (999, 42253), (1073, 39339), (1147, 36801), (1269, 33263), (1363, 30969), (1457, 28971), (1739, 24273), (2697, 15651), (3219, 13113), (3441, 12267), (4089, 10323), (4371, 9657), (5217, 8091)]