217601529

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 307152000

約数和(自身を除く): 89550471

約数列:

[1, 3, 29, 87, 89, 157, 179, 267, 471, 537, 2581, 4553, 5191, 7743, 13659, 13973, 15573, 15931, 28103, 41919, 47793, 84309, 405217, 461999, 814987, 1215651, 1385997, 2444961, 2501167, 7503501, 72533843, 217601529]

約数ペア:

[(1, 217601529), (3, 72533843), (29, 7503501), (87, 2501167), (89, 2444961), (157, 1385997), (179, 1215651), (267, 814987), (471, 461999), (537, 405217), (2581, 84309), (4553, 47793), (5191, 41919), (7743, 28103), (13659, 15931), (13973, 15573)]