229690791

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 407075760

約数和(自身を除く): 177384969

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 99, 121, 153, 171, 187, 209, 323, 363, 561, 627, 653, 969, 1089, 1683, 1881, 1959, 2057, 2299, 2907, 3553, 5877, 6171, 6897, 7183, 10659, 11101, 12407, 18513, 20691, 21549, 31977, 33303, 37221, 39083, 64647, 79013, 99909, 111663, 117249, 122111, 136477, 210919, 237039, 351747, 366333, 409431, 632757, 711117, 1098999, 1228293, 1343221, 1501247, 1898271, 2320109, 4029663, 4503741, 6960327, 12088989, 13511223, 20880981, 25521199, 76563597, 229690791]

約数ペア:

[(1, 229690791), (3, 76563597), (9, 25521199), (11, 20880981), (17, 13511223), (19, 12088989), (33, 6960327), (51, 4503741), (57, 4029663), (99, 2320109), (121, 1898271), (153, 1501247), (171, 1343221), (187, 1228293), (209, 1098999), (323, 711117), (363, 632757), (561, 409431), (627, 366333), (653, 351747), (969, 237039), (1089, 210919), (1683, 136477), (1881, 122111), (1959, 117249), (2057, 111663), (2299, 99909), (2907, 79013), (3553, 64647), (5877, 39083), (6171, 37221), (6897, 33303), (7183, 31977), (10659, 21549), (11101, 20691), (12407, 18513)]