287725893

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 488409600

約数和(自身を除く): 200683707

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 137, 147, 157, 273, 343, 411, 471, 637, 959, 1029, 1099, 1781, 1911, 2041, 2877, 3297, 4459, 5343, 6123, 6713, 7693, 12467, 13377, 14287, 20139, 21509, 23079, 37401, 42861, 46991, 53851, 64527, 87269, 100009, 140973, 150563, 161553, 261807, 279617, 300027, 451689, 610883, 700063, 838851, 1053941, 1832649, 1957319, 2100189, 3161823, 5871957, 7377587, 13701233, 22132761, 41103699, 95908631, 287725893]

約数ペア:

[(1, 287725893), (3, 95908631), (7, 41103699), (13, 22132761), (21, 13701233), (39, 7377587), (49, 5871957), (91, 3161823), (137, 2100189), (147, 1957319), (157, 1832649), (273, 1053941), (343, 838851), (411, 700063), (471, 610883), (637, 451689), (959, 300027), (1029, 279617), (1099, 261807), (1781, 161553), (1911, 150563), (2041, 140973), (2877, 100009), (3297, 87269), (4459, 64527), (5343, 53851), (6123, 46991), (6713, 42861), (7693, 37401), (12467, 23079), (13377, 21509), (14287, 20139)]