216911619

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 377395200

約数和(自身を除く): 160483581

約数列:

[1, 3, 9, 17, 19, 29, 31, 51, 57, 83, 87, 93, 153, 171, 249, 261, 279, 323, 493, 527, 551, 589, 747, 899, 969, 1411, 1479, 1577, 1581, 1653, 1767, 2407, 2573, 2697, 2907, 4233, 4437, 4731, 4743, 4959, 5301, 7221, 7719, 8091, 9367, 10013, 12699, 14193, 15283, 17081, 21663, 23157, 26809, 28101, 30039, 40919, 43741, 45733, 45849, 48887, 51243, 74617, 80427, 84303, 90117, 122757, 131223, 137199, 137547, 146661, 153729, 223851, 241281, 290377, 368271, 393669, 411597, 439983, 671553, 777461, 831079, 871131, 1268489, 1417723, 2332383, 2493237, 2613393, 3805467, 4253169, 6997149, 7479711, 11416401, 12759507, 24101291, 72303873, 216911619]

約数ペア:

[(1, 216911619), (3, 72303873), (9, 24101291), (17, 12759507), (19, 11416401), (29, 7479711), (31, 6997149), (51, 4253169), (57, 3805467), (83, 2613393), (87, 2493237), (93, 2332383), (153, 1417723), (171, 1268489), (249, 871131), (261, 831079), (279, 777461), (323, 671553), (493, 439983), (527, 411597), (551, 393669), (589, 368271), (747, 290377), (899, 241281), (969, 223851), (1411, 153729), (1479, 146661), (1577, 137547), (1581, 137199), (1653, 131223), (1767, 122757), (2407, 90117), (2573, 84303), (2697, 80427), (2907, 74617), (4233, 51243), (4437, 48887), (4731, 45849), (4743, 45733), (4959, 43741), (5301, 40919), (7221, 30039), (7719, 28101), (8091, 26809), (9367, 23157), (10013, 21663), (12699, 17081), (14193, 15283)]