20130177105

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{974591}}^1$

素因数の和:974628

約数の個数: 48

約数和(自身を含む): 38313160704

約数和(自身を除く): 18182983599

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 765, 1215, 1377, 2295, 4131, 6885, 20655, 974591, 2923773, 4872955, 8771319, 14618865, 16568047, 26313957, 43856595, 49704141, 78941871, 82840235, 131569785, 149112423, 236825613, 248520705, 394709355, 447337269, 745562115, 1184128065, 1342011807, 2236686345, 4026035421, 6710059035, 20130177105]

約数ペア:

[(1, 20130177105), (3, 6710059035), (5, 4026035421), (9, 2236686345), (15, 1342011807), (17, 1184128065), (27, 745562115), (45, 447337269), (51, 394709355), (81, 248520705), (85, 236825613), (135, 149112423), (153, 131569785), (243, 82840235), (255, 78941871), (405, 49704141), (459, 43856595), (765, 26313957), (1215, 16568047), (1377, 14618865), (2295, 8771319), (4131, 4872955), (6885, 2923773), (20655, 974591)]