27820764

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 73627008

約数和(自身を除く): 45806244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 97, 124, 186, 194, 257, 279, 291, 372, 388, 514, 558, 582, 771, 873, 1028, 1116, 1164, 1542, 1746, 2313, 3007, 3084, 3492, 4626, 6014, 7967, 9021, 9252, 12028, 15934, 18042, 23901, 24929, 27063, 31868, 36084, 47802, 49858, 54126, 71703, 74787, 95604, 99716, 108252, 143406, 149574, 224361, 286812, 299148, 448722, 772799, 897444, 1545598, 2318397, 3091196, 4636794, 6955191, 9273588, 13910382, 27820764]

約数ペア:

[(1, 27820764), (2, 13910382), (3, 9273588), (4, 6955191), (6, 4636794), (9, 3091196), (12, 2318397), (18, 1545598), (31, 897444), (36, 772799), (62, 448722), (93, 299148), (97, 286812), (124, 224361), (186, 149574), (194, 143406), (257, 108252), (279, 99716), (291, 95604), (372, 74787), (388, 71703), (514, 54126), (558, 49858), (582, 47802), (771, 36084), (873, 31868), (1028, 27063), (1116, 24929), (1164, 23901), (1542, 18042), (1746, 15934), (2313, 12028), (3007, 9252), (3084, 9021), (3492, 7967), (4626, 6014)]