1640691369

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 2687198976

約数和(自身を除く): 1046507607

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 101, 141, 153, 251, 303, 423, 459, 753, 799, 909, 1269, 1377, 1717, 2259, 2397, 2727, 3807, 4267, 4747, 5151, 6777, 7191, 8181, 11797, 12801, 14241, 15453, 20331, 21573, 25351, 35391, 38403, 42723, 46359, 64719, 76053, 80699, 106173, 115209, 128169, 139077, 200549, 228159, 242097, 318519, 345627, 384507, 430967, 601647, 684477, 726291, 955557, 1191497, 1292901, 1804941, 2053431, 2178873, 3574491, 3878703, 5414823, 6536619, 10723473, 11636109, 16244469, 20255449, 32170419, 34908327, 60766347, 96511257, 182299041, 546897123, 1640691369]

約数ペア:

[(1, 1640691369), (3, 546897123), (9, 182299041), (17, 96511257), (27, 60766347), (47, 34908327), (51, 32170419), (81, 20255449), (101, 16244469), (141, 11636109), (153, 10723473), (251, 6536619), (303, 5414823), (423, 3878703), (459, 3574491), (753, 2178873), (799, 2053431), (909, 1804941), (1269, 1292901), (1377, 1191497), (1717, 955557), (2259, 726291), (2397, 684477), (2727, 601647), (3807, 430967), (4267, 384507), (4747, 345627), (5151, 318519), (6777, 242097), (7191, 228159), (8181, 200549), (11797, 139077), (12801, 128169), (14241, 115209), (15453, 106173), (20331, 80699), (21573, 76053), (25351, 64719), (35391, 46359), (38403, 42723)]