64894473

素因数分解:

$3^3\times 7^2\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 112869120

約数和(自身を除く): 47974647

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 181, 189, 271, 441, 543, 813, 1267, 1323, 1629, 1897, 2439, 3801, 4887, 5691, 7317, 8869, 11403, 13279, 17073, 26607, 34209, 39837, 49051, 51219, 79821, 119511, 147153, 239463, 343357, 358533, 441459, 1030071, 1324377, 2403499, 3090213, 7210497, 9270639, 21631491, 64894473]

約数ペア:

[(1, 64894473), (3, 21631491), (7, 9270639), (9, 7210497), (21, 3090213), (27, 2403499), (49, 1324377), (63, 1030071), (147, 441459), (181, 358533), (189, 343357), (271, 239463), (441, 147153), (543, 119511), (813, 79821), (1267, 51219), (1323, 49051), (1629, 39837), (1897, 34209), (2439, 26607), (3801, 17073), (4887, 13279), (5691, 11403), (7317, 8869)]