287882205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 541094400

約数和(自身を除く): 253212195

約数列:

[1, 3, 5, 13, 15, 19, 39, 43, 57, 65, 95, 129, 139, 169, 195, 215, 247, 285, 417, 507, 559, 645, 695, 741, 817, 845, 1235, 1677, 1807, 2085, 2451, 2535, 2641, 2795, 3211, 3705, 4085, 5421, 5977, 7267, 7923, 8385, 9035, 9633, 10621, 12255, 13205, 16055, 17931, 21801, 23491, 27105, 29885, 31863, 34333, 36335, 39615, 48165, 53105, 70473, 77701, 89655, 102999, 109005, 113563, 117455, 138073, 159315, 171665, 233103, 340689, 352365, 388505, 414219, 446329, 514995, 567815, 690365, 1010113, 1165515, 1338987, 1476319, 1703445, 2071095, 2231645, 3030339, 4428957, 5050565, 6694935, 7381595, 15151695, 19192147, 22144785, 57576441, 95960735, 287882205]

約数ペア:

[(1, 287882205), (3, 95960735), (5, 57576441), (13, 22144785), (15, 19192147), (19, 15151695), (39, 7381595), (43, 6694935), (57, 5050565), (65, 4428957), (95, 3030339), (129, 2231645), (139, 2071095), (169, 1703445), (195, 1476319), (215, 1338987), (247, 1165515), (285, 1010113), (417, 690365), (507, 567815), (559, 514995), (645, 446329), (695, 414219), (741, 388505), (817, 352365), (845, 340689), (1235, 233103), (1677, 171665), (1807, 159315), (2085, 138073), (2451, 117455), (2535, 113563), (2641, 109005), (2795, 102999), (3211, 89655), (3705, 77701), (4085, 70473), (5421, 53105), (5977, 48165), (7267, 39615), (7923, 36335), (8385, 34333), (9035, 31863), (9633, 29885), (10621, 27105), (12255, 23491), (13205, 21801), (16055, 17931)]