197720595

素因数分解:

$3^5\times 5^1\times {\mathrm{353}}^1\times {\mathrm{461}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 357188832

約数和(自身を除く): 159468237

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 353, 405, 461, 1059, 1215, 1383, 1765, 2305, 3177, 4149, 5295, 6915, 9531, 12447, 15885, 20745, 28593, 37341, 47655, 62235, 85779, 112023, 142965, 162733, 186705, 428895, 488199, 560115, 813665, 1464597, 2440995, 4393791, 7322985, 13181373, 21968955, 39544119, 65906865, 197720595]

約数ペア:

[(1, 197720595), (3, 65906865), (5, 39544119), (9, 21968955), (15, 13181373), (27, 7322985), (45, 4393791), (81, 2440995), (135, 1464597), (243, 813665), (353, 560115), (405, 488199), (461, 428895), (1059, 186705), (1215, 162733), (1383, 142965), (1765, 112023), (2305, 85779), (3177, 62235), (4149, 47655), (5295, 37341), (6915, 28593), (9531, 20745), (12447, 15885)]