31008255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 55171584

約数和(自身を除く): 24163329

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 289, 311, 345, 391, 867, 933, 1173, 1445, 1555, 1955, 4335, 4665, 5287, 5865, 6647, 7153, 15861, 19941, 21459, 26435, 33235, 35765, 79305, 89879, 99705, 107295, 121601, 269637, 364803, 449395, 608005, 1348185, 1824015, 2067217, 6201651, 10336085, 31008255]

約数ペア:

[(1, 31008255), (3, 10336085), (5, 6201651), (15, 2067217), (17, 1824015), (23, 1348185), (51, 608005), (69, 449395), (85, 364803), (115, 269637), (255, 121601), (289, 107295), (311, 99705), (345, 89879), (391, 79305), (867, 35765), (933, 33235), (1173, 26435), (1445, 21459), (1555, 19941), (1955, 15861), (4335, 7153), (4665, 6647), (5287, 5865)]