81415515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5021}}^1$

素因数の和:5099

約数の個数: 32

約数和(自身を含む): 138848256

約数和(自身を除く): 57432741

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5021, 5405, 15063, 16215, 25105, 75315, 115483, 235987, 346449, 577415, 707961, 1179935, 1732245, 3539805, 5427701, 16283103, 27138505, 81415515]

約数ペア:

[(1, 81415515), (3, 27138505), (5, 16283103), (15, 5427701), (23, 3539805), (47, 1732245), (69, 1179935), (115, 707961), (141, 577415), (235, 346449), (345, 235987), (705, 115483), (1081, 75315), (3243, 25105), (5021, 16215), (5405, 15063)]