201890985

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{1163}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 329868288

約数和(自身を除く): 127977303

約数列:

[1, 3, 5, 15, 71, 163, 213, 355, 489, 815, 1065, 1163, 2445, 3489, 5815, 11573, 17445, 34719, 57865, 82573, 173595, 189569, 247719, 412865, 568707, 947845, 1238595, 2843535, 13459399, 40378197, 67296995, 201890985]

約数ペア:

[(1, 201890985), (3, 67296995), (5, 40378197), (15, 13459399), (71, 2843535), (163, 1238595), (213, 947845), (355, 568707), (489, 412865), (815, 247719), (1065, 189569), (1163, 173595), (2445, 82573), (3489, 57865), (5815, 34719), (11573, 17445)]