18038307

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 10346973

約数列:

[1, 3, 7, 21, 79, 83, 131, 237, 249, 393, 553, 581, 917, 1659, 1743, 2751, 6557, 10349, 10873, 19671, 31047, 32619, 45899, 72443, 76111, 137697, 217329, 228333, 858967, 2576901, 6012769, 18038307]

約数ペア:

[(1, 18038307), (3, 6012769), (7, 2576901), (21, 858967), (79, 228333), (83, 217329), (131, 137697), (237, 76111), (249, 72443), (393, 45899), (553, 32619), (581, 31047), (917, 19671), (1659, 10873), (1743, 10349), (2751, 6557)]