217464291

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 374976000

約数和(自身を除く): 157511709

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 89, 99, 171, 209, 267, 297, 433, 513, 627, 801, 979, 1299, 1691, 1881, 2403, 2937, 3897, 4763, 5073, 5643, 8227, 8811, 11691, 14289, 15219, 18601, 24681, 26433, 38537, 42867, 45657, 55803, 74043, 90497, 115611, 128601, 167409, 222129, 271491, 346833, 423907, 502227, 732203, 814473, 1040499, 1271721, 2196609, 2443419, 3815163, 6589827, 8054233, 11445489, 19769481, 24162699, 72488097, 217464291]

約数ペア:

[(1, 217464291), (3, 72488097), (9, 24162699), (11, 19769481), (19, 11445489), (27, 8054233), (33, 6589827), (57, 3815163), (89, 2443419), (99, 2196609), (171, 1271721), (209, 1040499), (267, 814473), (297, 732203), (433, 502227), (513, 423907), (627, 346833), (801, 271491), (979, 222129), (1299, 167409), (1691, 128601), (1881, 115611), (2403, 90497), (2937, 74043), (3897, 55803), (4763, 45657), (5073, 42867), (5643, 38537), (8227, 26433), (8811, 24681), (11691, 18601), (14289, 15219)]