56721795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12647}}^1$

素因数の和:12691

約数の個数: 32

約数和(自身を含む): 101993472

約数和(自身を除く): 45271677

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 12647, 37941, 63235, 164411, 189705, 290881, 493233, 822055, 872643, 1454405, 2466165, 3781453, 4363215, 11344359, 18907265, 56721795]

約数ペア:

[(1, 56721795), (3, 18907265), (5, 11344359), (13, 4363215), (15, 3781453), (23, 2466165), (39, 1454405), (65, 872643), (69, 822055), (115, 493233), (195, 290881), (299, 189705), (345, 164411), (897, 63235), (1495, 37941), (4485, 12647)]