815685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 1451520

約数和(自身を除く): 635835

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 89, 141, 195, 235, 267, 445, 611, 705, 1157, 1335, 1833, 3055, 3471, 4183, 5785, 9165, 12549, 17355, 20915, 54379, 62745, 163137, 271895, 815685]

約数ペア:

[(1, 815685), (3, 271895), (5, 163137), (13, 62745), (15, 54379), (39, 20915), (47, 17355), (65, 12549), (89, 9165), (141, 5785), (195, 4183), (235, 3471), (267, 3055), (445, 1833), (611, 1335), (705, 1157)]