178740015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{7297}}^1$

素因数の和:7399

約数の個数: 32

約数和(自身を含む): 302662656

約数和(自身を除く): 123922641

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 7297, 8165, 21891, 24495, 36485, 109455, 167831, 503493, 518087, 839155, 1554261, 2517465, 2590435, 7771305, 11916001, 35748003, 59580005, 178740015]

約数ペア:

[(1, 178740015), (3, 59580005), (5, 35748003), (15, 11916001), (23, 7771305), (69, 2590435), (71, 2517465), (115, 1554261), (213, 839155), (345, 518087), (355, 503493), (1065, 167831), (1633, 109455), (4899, 36485), (7297, 24495), (8165, 21891)]