81793278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:350

約数の個数: 96

約数和(自身を含む): 211341312

約数和(自身を除く): 129548034

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 71, 82, 123, 126, 142, 213, 223, 246, 287, 369, 426, 446, 497, 574, 639, 669, 738, 861, 994, 1278, 1338, 1491, 1561, 1722, 2007, 2583, 2911, 2982, 3122, 4014, 4473, 4683, 5166, 5822, 8733, 8946, 9143, 9366, 14049, 15833, 17466, 18286, 20377, 26199, 27429, 28098, 31666, 40754, 47499, 52398, 54858, 61131, 64001, 82287, 94998, 110831, 122262, 128002, 142497, 164574, 183393, 192003, 221662, 284994, 332493, 366786, 384006, 576009, 649153, 664986, 997479, 1152018, 1298306, 1947459, 1994958, 3894918, 4544071, 5842377, 9088142, 11684754, 13632213, 27264426, 40896639, 81793278]

約数ペア:

[(1, 81793278), (2, 40896639), (3, 27264426), (6, 13632213), (7, 11684754), (9, 9088142), (14, 5842377), (18, 4544071), (21, 3894918), (41, 1994958), (42, 1947459), (63, 1298306), (71, 1152018), (82, 997479), (123, 664986), (126, 649153), (142, 576009), (213, 384006), (223, 366786), (246, 332493), (287, 284994), (369, 221662), (426, 192003), (446, 183393), (497, 164574), (574, 142497), (639, 128002), (669, 122262), (738, 110831), (861, 94998), (994, 82287), (1278, 64001), (1338, 61131), (1491, 54858), (1561, 52398), (1722, 47499), (2007, 40754), (2583, 31666), (2911, 28098), (2982, 27429), (3122, 26199), (4014, 20377), (4473, 18286), (4683, 17466), (5166, 15833), (5822, 14049), (8733, 9366), (8946, 9143)]