220120905

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 356932224

約数和(自身を除く): 136811319

約数列:

[1, 3, 5, 15, 163, 197, 457, 489, 591, 815, 985, 1371, 2285, 2445, 2955, 6855, 32111, 74491, 90029, 96333, 160555, 223473, 270087, 372455, 450145, 481665, 1117365, 1350435, 14674727, 44024181, 73373635, 220120905]

約数ペア:

[(1, 220120905), (3, 73373635), (5, 44024181), (15, 14674727), (163, 1350435), (197, 1117365), (457, 481665), (489, 450145), (591, 372455), (815, 270087), (985, 223473), (1371, 160555), (2285, 96333), (2445, 90029), (2955, 74491), (6855, 32111)]