80378493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1619}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 123379200

約数和(自身を除く): 43000707

約数列:

[1, 3, 13, 19, 39, 57, 67, 201, 247, 741, 871, 1273, 1619, 2613, 3819, 4857, 16549, 21047, 30761, 49647, 63141, 92283, 108473, 325419, 399893, 1199679, 1410149, 2060987, 4230447, 6182961, 26792831, 80378493]

約数ペア:

[(1, 80378493), (3, 26792831), (13, 6182961), (19, 4230447), (39, 2060987), (57, 1410149), (67, 1199679), (201, 399893), (247, 325419), (741, 108473), (871, 92283), (1273, 63141), (1619, 49647), (2613, 30761), (3819, 21047), (4857, 16549)]