199907505

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{5333}}^1$

素因数の和:5375

約数の個数: 72

約数和(自身を含む): 426869352

約数和(自身を除く): 226961847

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1785, 2205, 2499, 4165, 5333, 5355, 7497, 12495, 15999, 26665, 37331, 37485, 47997, 79995, 90661, 111993, 186655, 239985, 261317, 271983, 335979, 453305, 559965, 634627, 783951, 815949, 1306585, 1359915, 1679895, 1903881, 2351853, 3173135, 3919755, 4079745, 4442389, 5711643, 9519405, 11759265, 13327167, 22211945, 28558215, 39981501, 66635835, 199907505]

約数ペア:

[(1, 199907505), (3, 66635835), (5, 39981501), (7, 28558215), (9, 22211945), (15, 13327167), (17, 11759265), (21, 9519405), (35, 5711643), (45, 4442389), (49, 4079745), (51, 3919755), (63, 3173135), (85, 2351853), (105, 1903881), (119, 1679895), (147, 1359915), (153, 1306585), (245, 815949), (255, 783951), (315, 634627), (357, 559965), (441, 453305), (595, 335979), (735, 271983), (765, 261317), (833, 239985), (1071, 186655), (1785, 111993), (2205, 90661), (2499, 79995), (4165, 47997), (5333, 37485), (5355, 37331), (7497, 26665), (12495, 15999)]