1291335

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 2280960

約数和(自身を除く): 989625

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 197, 285, 345, 437, 591, 985, 1311, 2185, 2955, 3743, 4531, 6555, 11229, 13593, 18715, 22655, 56145, 67965, 86089, 258267, 430445, 1291335]

約数ペア:

[(1, 1291335), (3, 430445), (5, 258267), (15, 86089), (19, 67965), (23, 56145), (57, 22655), (69, 18715), (95, 13593), (115, 11229), (197, 6555), (285, 4531), (345, 3743), (437, 2955), (591, 2185), (985, 1311)]