1800915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 3110400

約数和(自身を除く): 1309485

約数列:

[1, 3, 5, 15, 19, 57, 71, 89, 95, 213, 267, 285, 355, 445, 1065, 1335, 1349, 1691, 4047, 5073, 6319, 6745, 8455, 18957, 20235, 25365, 31595, 94785, 120061, 360183, 600305, 1800915]

約数ペア:

[(1, 1800915), (3, 600305), (5, 360183), (15, 120061), (19, 94785), (57, 31595), (71, 25365), (89, 20235), (95, 18957), (213, 8455), (267, 6745), (285, 6319), (355, 5073), (445, 4047), (1065, 1691), (1335, 1349)]