61908237

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 99066240

約数和(自身を除く): 37158003

約数列:

[1, 3, 9, 17, 41, 51, 71, 123, 139, 153, 213, 369, 417, 639, 697, 1207, 1251, 2091, 2363, 2911, 3621, 5699, 6273, 7089, 8733, 9869, 10863, 17097, 21267, 26199, 29607, 49487, 51291, 88821, 96883, 148461, 167773, 290649, 404629, 445383, 503319, 871947, 1213887, 1509957, 3641661, 6878693, 20636079, 61908237]

約数ペア:

[(1, 61908237), (3, 20636079), (9, 6878693), (17, 3641661), (41, 1509957), (51, 1213887), (71, 871947), (123, 503319), (139, 445383), (153, 404629), (213, 290649), (369, 167773), (417, 148461), (639, 96883), (697, 88821), (1207, 51291), (1251, 49487), (2091, 29607), (2363, 26199), (2911, 21267), (3621, 17097), (5699, 10863), (6273, 9869), (7089, 8733)]