80173719

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 128593920

約数和(自身を除く): 48420201

約数列:

[1, 3, 9, 27, 29, 31, 81, 87, 93, 243, 261, 279, 367, 783, 837, 899, 1101, 2349, 2511, 2697, 3303, 7047, 7533, 8091, 9909, 10643, 11377, 24273, 29727, 31929, 34131, 72819, 89181, 95787, 102393, 218457, 287361, 307179, 329933, 862083, 921537, 989799, 2586249, 2764611, 2969397, 8908191, 26724573, 80173719]

約数ペア:

[(1, 80173719), (3, 26724573), (9, 8908191), (27, 2969397), (29, 2764611), (31, 2586249), (81, 989799), (87, 921537), (93, 862083), (243, 329933), (261, 307179), (279, 287361), (367, 218457), (783, 102393), (837, 95787), (899, 89181), (1101, 72819), (2349, 34131), (2511, 31929), (2697, 29727), (3303, 24273), (7047, 11377), (7533, 10643), (8091, 9909)]