205662555

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4909}}^1$

素因数の和:4953

約数の個数: 72

約数和(自身を含む): 436597200

約数和(自身を除く): 230934645

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 399, 441, 665, 735, 855, 931, 1197, 1995, 2205, 2793, 4655, 4909, 5985, 8379, 13965, 14727, 24545, 34363, 41895, 44181, 73635, 93271, 103089, 171815, 220905, 240541, 279813, 309267, 466355, 515445, 652897, 721623, 839439, 1202705, 1399065, 1546335, 1958691, 2164869, 3264485, 3608115, 4197195, 4570279, 5876073, 9793455, 10824345, 13710837, 22851395, 29380365, 41132511, 68554185, 205662555]

約数ペア:

[(1, 205662555), (3, 68554185), (5, 41132511), (7, 29380365), (9, 22851395), (15, 13710837), (19, 10824345), (21, 9793455), (35, 5876073), (45, 4570279), (49, 4197195), (57, 3608115), (63, 3264485), (95, 2164869), (105, 1958691), (133, 1546335), (147, 1399065), (171, 1202705), (245, 839439), (285, 721623), (315, 652897), (399, 515445), (441, 466355), (665, 309267), (735, 279813), (855, 240541), (931, 220905), (1197, 171815), (1995, 103089), (2205, 93271), (2793, 73635), (4655, 44181), (4909, 41895), (5985, 34363), (8379, 24545), (13965, 14727)]