81890375

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3019}}^1$

素因数の和:3072

約数の個数: 32

約数和(自身を含む): 120606720

約数和(自身を除く): 38716345

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 775, 875, 1085, 3019, 3875, 5425, 15095, 21133, 27125, 75475, 93589, 105665, 377375, 467945, 528325, 655123, 2339725, 2641625, 3275615, 11698625, 16378075, 81890375]

約数ペア:

[(1, 81890375), (5, 16378075), (7, 11698625), (25, 3275615), (31, 2641625), (35, 2339725), (125, 655123), (155, 528325), (175, 467945), (217, 377375), (775, 105665), (875, 93589), (1085, 75475), (3019, 27125), (3875, 21133), (5425, 15095)]