31003155

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 31896045

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 79, 81, 85, 95, 135, 153, 171, 237, 243, 255, 285, 323, 395, 405, 459, 513, 711, 765, 855, 969, 1185, 1215, 1343, 1377, 1501, 1539, 1615, 2133, 2295, 2565, 2907, 3555, 4029, 4131, 4503, 4617, 4845, 6399, 6715, 6885, 7505, 7695, 8721, 10665, 12087, 13509, 14535, 19197, 20145, 20655, 22515, 23085, 25517, 26163, 31995, 36261, 40527, 43605, 60435, 67545, 76551, 78489, 95985, 108783, 121581, 127585, 130815, 181305, 202635, 229653, 326349, 364743, 382755, 392445, 543915, 607905, 688959, 1148265, 1631745, 1823715, 2066877, 3444795, 6200631, 10334385, 31003155]

約数ペア:

[(1, 31003155), (3, 10334385), (5, 6200631), (9, 3444795), (15, 2066877), (17, 1823715), (19, 1631745), (27, 1148265), (45, 688959), (51, 607905), (57, 543915), (79, 392445), (81, 382755), (85, 364743), (95, 326349), (135, 229653), (153, 202635), (171, 181305), (237, 130815), (243, 127585), (255, 121581), (285, 108783), (323, 95985), (395, 78489), (405, 76551), (459, 67545), (513, 60435), (711, 43605), (765, 40527), (855, 36261), (969, 31995), (1185, 26163), (1215, 25517), (1343, 23085), (1377, 22515), (1501, 20655), (1539, 20145), (1615, 19197), (2133, 14535), (2295, 13509), (2565, 12087), (2907, 10665), (3555, 8721), (4029, 7695), (4131, 7505), (4503, 6885), (4617, 6715), (4845, 6399)]