178149909

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{4603}}^1$

素因数の和:4729

約数の個数: 32

約数和(自身を含む): 288762880

約数和(自身を除く): 110612971

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 399, 679, 1843, 2037, 4603, 5529, 12901, 13809, 32221, 38703, 87457, 96663, 262371, 446491, 612199, 1339473, 1836597, 3125437, 8483329, 9376311, 25449987, 59383303, 178149909]

約数ペア:

[(1, 178149909), (3, 59383303), (7, 25449987), (19, 9376311), (21, 8483329), (57, 3125437), (97, 1836597), (133, 1339473), (291, 612199), (399, 446491), (679, 262371), (1843, 96663), (2037, 87457), (4603, 38703), (5529, 32221), (12901, 13809)]