2015977815

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:931

約数の個数: 96

約数和(自身を含む): 3791563776

約数和(自身を除く): 1775585961

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 47, 81, 129, 135, 141, 215, 235, 243, 387, 405, 423, 645, 705, 821, 1161, 1215, 1269, 1935, 2021, 2115, 2463, 3483, 3807, 4105, 5805, 6063, 6345, 7389, 10105, 10449, 11421, 12315, 17415, 18189, 19035, 22167, 30315, 35303, 36945, 38587, 52245, 54567, 57105, 66501, 90945, 105909, 110835, 115761, 163701, 176515, 192935, 199503, 272835, 317727, 332505, 347283, 491103, 529545, 578805, 818505, 953181, 997515, 1041849, 1588635, 1659241, 1736415, 2455515, 2859543, 3125547, 4765905, 4977723, 5209245, 8296205, 8578629, 9376641, 14297715, 14933169, 15627735, 24888615, 42893145, 44799507, 46883205, 74665845, 134398521, 223997535, 403195563, 671992605, 2015977815]

約数ペア:

[(1, 2015977815), (3, 671992605), (5, 403195563), (9, 223997535), (15, 134398521), (27, 74665845), (43, 46883205), (45, 44799507), (47, 42893145), (81, 24888615), (129, 15627735), (135, 14933169), (141, 14297715), (215, 9376641), (235, 8578629), (243, 8296205), (387, 5209245), (405, 4977723), (423, 4765905), (645, 3125547), (705, 2859543), (821, 2455515), (1161, 1736415), (1215, 1659241), (1269, 1588635), (1935, 1041849), (2021, 997515), (2115, 953181), (2463, 818505), (3483, 578805), (3807, 529545), (4105, 491103), (5805, 347283), (6063, 332505), (6345, 317727), (7389, 272835), (10105, 199503), (10449, 192935), (11421, 176515), (12315, 163701), (17415, 115761), (18189, 110835), (19035, 105909), (22167, 90945), (30315, 66501), (35303, 57105), (36945, 54567), (38587, 52245)]