213533355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 401080320

約数和(自身を除く): 187546965

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 127, 201, 239, 335, 381, 469, 635, 717, 889, 1005, 1195, 1407, 1673, 1905, 2345, 2667, 3585, 4445, 5019, 7035, 8365, 8509, 13335, 16013, 25095, 25527, 30353, 42545, 48039, 59563, 80065, 91059, 112091, 127635, 151765, 178689, 212471, 240195, 297815, 336273, 455295, 560455, 637413, 893445, 1062355, 1681365, 2033651, 3187065, 6100953, 10168255, 14235557, 30504765, 42706671, 71177785, 213533355]

約数ペア:

[(1, 213533355), (3, 71177785), (5, 42706671), (7, 30504765), (15, 14235557), (21, 10168255), (35, 6100953), (67, 3187065), (105, 2033651), (127, 1681365), (201, 1062355), (239, 893445), (335, 637413), (381, 560455), (469, 455295), (635, 336273), (717, 297815), (889, 240195), (1005, 212471), (1195, 178689), (1407, 151765), (1673, 127635), (1905, 112091), (2345, 91059), (2667, 80065), (3585, 59563), (4445, 48039), (5019, 42545), (7035, 30353), (8365, 25527), (8509, 25095), (13335, 16013)]