25208685

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 22484115

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 47, 87, 135, 137, 141, 145, 235, 261, 411, 423, 435, 685, 705, 783, 1233, 1269, 1305, 1363, 2055, 2115, 3699, 3915, 3973, 4089, 6165, 6345, 6439, 6815, 11919, 12267, 18495, 19317, 19865, 20445, 32195, 35757, 36801, 57951, 59595, 61335, 96585, 107271, 173853, 178785, 184005, 186731, 289755, 536355, 560193, 869265, 933655, 1680579, 2800965, 5041737, 8402895, 25208685]

約数ペア:

[(1, 25208685), (3, 8402895), (5, 5041737), (9, 2800965), (15, 1680579), (27, 933655), (29, 869265), (45, 560193), (47, 536355), (87, 289755), (135, 186731), (137, 184005), (141, 178785), (145, 173853), (235, 107271), (261, 96585), (411, 61335), (423, 59595), (435, 57951), (685, 36801), (705, 35757), (783, 32195), (1233, 20445), (1269, 19865), (1305, 19317), (1363, 18495), (2055, 12267), (2115, 11919), (3699, 6815), (3915, 6439), (3973, 6345), (4089, 6165)]