216508005

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13477}}^1$

素因数の和:13515

約数の個数: 64

約数和(自身を含む): 465799680

約数和(自身を除く): 249291675

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1785, 2295, 3213, 5355, 13477, 16065, 40431, 67385, 94339, 121293, 202155, 229109, 283017, 363879, 471695, 606465, 687327, 849051, 1145545, 1415085, 1603763, 1819395, 2061981, 2547153, 3436635, 4245255, 4811289, 6185943, 8018815, 10309905, 12735765, 14433867, 24056445, 30929715, 43301601, 72169335, 216508005]

約数ペア:

[(1, 216508005), (3, 72169335), (5, 43301601), (7, 30929715), (9, 24056445), (15, 14433867), (17, 12735765), (21, 10309905), (27, 8018815), (35, 6185943), (45, 4811289), (51, 4245255), (63, 3436635), (85, 2547153), (105, 2061981), (119, 1819395), (135, 1603763), (153, 1415085), (189, 1145545), (255, 849051), (315, 687327), (357, 606465), (459, 471695), (595, 363879), (765, 283017), (945, 229109), (1071, 202155), (1785, 121293), (2295, 94339), (3213, 67385), (5355, 40431), (13477, 16065)]