25081785

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 21919815

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 59, 67, 135, 141, 177, 201, 235, 295, 335, 423, 531, 603, 705, 885, 1005, 1269, 1593, 1809, 2115, 2655, 2773, 3015, 3149, 3953, 6345, 7965, 8319, 9045, 9447, 11859, 13865, 15745, 19765, 24957, 28341, 35577, 41595, 47235, 59295, 74871, 85023, 106731, 124785, 141705, 177885, 185791, 374355, 425115, 533655, 557373, 928955, 1672119, 2786865, 5016357, 8360595, 25081785]

約数ペア:

[(1, 25081785), (3, 8360595), (5, 5016357), (9, 2786865), (15, 1672119), (27, 928955), (45, 557373), (47, 533655), (59, 425115), (67, 374355), (135, 185791), (141, 177885), (177, 141705), (201, 124785), (235, 106731), (295, 85023), (335, 74871), (423, 59295), (531, 47235), (603, 41595), (705, 35577), (885, 28341), (1005, 24957), (1269, 19765), (1593, 15745), (1809, 13865), (2115, 11859), (2655, 9447), (2773, 9045), (3015, 8319), (3149, 7965), (3953, 6345)]