388542021

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{859}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 642358080

約数和(自身を除く): 253816059

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 181, 357, 543, 833, 859, 1267, 2499, 2577, 3077, 3801, 6013, 8869, 9231, 14603, 18039, 21539, 26607, 42091, 43809, 64617, 102221, 126273, 150773, 155479, 306663, 452319, 466437, 715547, 1088353, 2146641, 2643143, 3265059, 7618471, 7929429, 18502001, 22855413, 55506003, 129514007, 388542021]

約数ペア:

[(1, 388542021), (3, 129514007), (7, 55506003), (17, 22855413), (21, 18502001), (49, 7929429), (51, 7618471), (119, 3265059), (147, 2643143), (181, 2146641), (357, 1088353), (543, 715547), (833, 466437), (859, 452319), (1267, 306663), (2499, 155479), (2577, 150773), (3077, 126273), (3801, 102221), (6013, 64617), (8869, 43809), (9231, 42091), (14603, 26607), (18039, 21539)]