216804525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5657}}^1$

素因数の和:5750

約数の個数: 48

約数和(自身を含む): 415342464

約数和(自身を除く): 198537939

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 73, 75, 105, 175, 219, 365, 511, 525, 1095, 1533, 1825, 2555, 5475, 5657, 7665, 12775, 16971, 28285, 38325, 39599, 84855, 118797, 141425, 197995, 412961, 424275, 593985, 989975, 1238883, 2064805, 2890727, 2969925, 6194415, 8672181, 10324025, 14453635, 30972075, 43360905, 72268175, 216804525]

約数ペア:

[(1, 216804525), (3, 72268175), (5, 43360905), (7, 30972075), (15, 14453635), (21, 10324025), (25, 8672181), (35, 6194415), (73, 2969925), (75, 2890727), (105, 2064805), (175, 1238883), (219, 989975), (365, 593985), (511, 424275), (525, 412961), (1095, 197995), (1533, 141425), (1825, 118797), (2555, 84855), (5475, 39599), (5657, 38325), (7665, 28285), (12775, 16971)]