128331351

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 215654400

約数和(自身を除く): 87323049

約数列:

[1, 3, 9, 17, 27, 29, 31, 51, 87, 93, 153, 261, 279, 311, 459, 493, 527, 783, 837, 899, 933, 1479, 1581, 2697, 2799, 4437, 4743, 5287, 8091, 8397, 9019, 9641, 13311, 14229, 15283, 15861, 24273, 27057, 28923, 45849, 47583, 81171, 86769, 137547, 142749, 153323, 163897, 243513, 260307, 279589, 412641, 459969, 491691, 838767, 1379907, 1475073, 2516301, 4139721, 4425219, 4753013, 7548903, 14259039, 42777117, 128331351]

約数ペア:

[(1, 128331351), (3, 42777117), (9, 14259039), (17, 7548903), (27, 4753013), (29, 4425219), (31, 4139721), (51, 2516301), (87, 1475073), (93, 1379907), (153, 838767), (261, 491691), (279, 459969), (311, 412641), (459, 279589), (493, 260307), (527, 243513), (783, 163897), (837, 153323), (899, 142749), (933, 137547), (1479, 86769), (1581, 81171), (2697, 47583), (2799, 45849), (4437, 28923), (4743, 27057), (5287, 24273), (8091, 15861), (8397, 15283), (9019, 14229), (9641, 13311)]