7861455

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 80

約数和(自身を含む): 16727040

約数和(自身を除く): 8865585

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 59, 63, 81, 105, 135, 141, 177, 189, 235, 295, 315, 329, 405, 413, 423, 531, 567, 705, 885, 945, 987, 1239, 1269, 1593, 1645, 2065, 2115, 2655, 2773, 2835, 2961, 3717, 3807, 4779, 4935, 6195, 6345, 7965, 8319, 8883, 11151, 13865, 14805, 18585, 19035, 19411, 23895, 24957, 26649, 33453, 41595, 44415, 55755, 58233, 74871, 97055, 124785, 133245, 167265, 174699, 224613, 291165, 374355, 524097, 873495, 1123065, 1572291, 2620485, 7861455]

約数ペア:

[(1, 7861455), (3, 2620485), (5, 1572291), (7, 1123065), (9, 873495), (15, 524097), (21, 374355), (27, 291165), (35, 224613), (45, 174699), (47, 167265), (59, 133245), (63, 124785), (81, 97055), (105, 74871), (135, 58233), (141, 55755), (177, 44415), (189, 41595), (235, 33453), (295, 26649), (315, 24957), (329, 23895), (405, 19411), (413, 19035), (423, 18585), (531, 14805), (567, 13865), (705, 11151), (885, 8883), (945, 8319), (987, 7965), (1239, 6345), (1269, 6195), (1593, 4935), (1645, 4779), (2065, 3807), (2115, 3717), (2655, 2961), (2773, 2835)]