28662165

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4789}}^1$

素因数の和:4826

約数の個数: 48

約数和(自身を含む): 59779200

約数和(自身を除く): 31117035

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 4789, 5985, 14367, 23945, 33523, 43101, 71835, 90991, 100569, 167615, 215505, 272973, 301707, 454955, 502845, 636937, 818919, 1364865, 1508535, 1910811, 3184685, 4094595, 5732433, 9554055, 28662165]

約数ペア:

[(1, 28662165), (3, 9554055), (5, 5732433), (7, 4094595), (9, 3184685), (15, 1910811), (19, 1508535), (21, 1364865), (35, 818919), (45, 636937), (57, 502845), (63, 454955), (95, 301707), (105, 272973), (133, 215505), (171, 167615), (285, 100569), (315, 90991), (399, 71835), (665, 43101), (855, 33523), (1197, 23945), (1995, 14367), (4789, 5985)]