419728323

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1\times {\mathrm{563}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 647995392

約数和(自身を除く): 228267069

約数列:

[1, 3, 7, 21, 131, 271, 393, 563, 813, 917, 1689, 1897, 2751, 3941, 5691, 11823, 35501, 73753, 106503, 152573, 221259, 248507, 457719, 516271, 745521, 1068011, 1548813, 3204033, 19987063, 59961189, 139909441, 419728323]

約数ペア:

[(1, 419728323), (3, 139909441), (7, 59961189), (21, 19987063), (131, 3204033), (271, 1548813), (393, 1068011), (563, 745521), (813, 516271), (917, 457719), (1689, 248507), (1897, 221259), (2751, 152573), (3941, 106503), (5691, 73753), (11823, 35501)]