209565573

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1\times {\mathrm{769}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 337075200

約数和(自身を除く): 127509627

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 683, 769, 2049, 2307, 4781, 5383, 12977, 14343, 14611, 16149, 38931, 43833, 90839, 102277, 272517, 306831, 525227, 1575681, 3676589, 9979313, 11029767, 29937939, 69855191, 209565573]

約数ペア:

[(1, 209565573), (3, 69855191), (7, 29937939), (19, 11029767), (21, 9979313), (57, 3676589), (133, 1575681), (399, 525227), (683, 306831), (769, 272517), (2049, 102277), (2307, 90839), (4781, 43833), (5383, 38931), (12977, 16149), (14343, 14611)]