208038537

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 381376512

約数和(自身を除く): 173337975

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 113, 119, 153, 189, 191, 339, 357, 459, 567, 573, 791, 1017, 1071, 1337, 1377, 1719, 1921, 2373, 3051, 3213, 3247, 4011, 5157, 5763, 7119, 9153, 9639, 9741, 12033, 13447, 15471, 17289, 21357, 21583, 22729, 29223, 36099, 40341, 51867, 64071, 64749, 68187, 87669, 108297, 121023, 151081, 155601, 194247, 204561, 263007, 363069, 366911, 453243, 582741, 613683, 1089207, 1100733, 1359729, 1748223, 1841049, 2568377, 3302199, 4079187, 7705131, 9906597, 12237561, 23115393, 29719791, 69346179, 208038537]

約数ペア:

[(1, 208038537), (3, 69346179), (7, 29719791), (9, 23115393), (17, 12237561), (21, 9906597), (27, 7705131), (51, 4079187), (63, 3302199), (81, 2568377), (113, 1841049), (119, 1748223), (153, 1359729), (189, 1100733), (191, 1089207), (339, 613683), (357, 582741), (459, 453243), (567, 366911), (573, 363069), (791, 263007), (1017, 204561), (1071, 194247), (1337, 155601), (1377, 151081), (1719, 121023), (1921, 108297), (2373, 87669), (3051, 68187), (3213, 64749), (3247, 64071), (4011, 51867), (5157, 40341), (5763, 36099), (7119, 29223), (9153, 22729), (9639, 21583), (9741, 21357), (12033, 17289), (13447, 15471)]