427402017

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6737}}^1$

素因数の和:6822

約数の個数: 48

約数和(自身を含む): 756812160

約数和(自身を除く): 329410143

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 133, 159, 171, 371, 399, 477, 1007, 1113, 1197, 3021, 3339, 6737, 7049, 9063, 20211, 21147, 47159, 60633, 63441, 128003, 141477, 357061, 384009, 424431, 896021, 1071183, 1152027, 2499427, 2688063, 3213549, 6784159, 7498281, 8064189, 20352477, 22494843, 47489113, 61057431, 142467339, 427402017]

約数ペア:

[(1, 427402017), (3, 142467339), (7, 61057431), (9, 47489113), (19, 22494843), (21, 20352477), (53, 8064189), (57, 7498281), (63, 6784159), (133, 3213549), (159, 2688063), (171, 2499427), (371, 1152027), (399, 1071183), (477, 896021), (1007, 424431), (1113, 384009), (1197, 357061), (3021, 141477), (3339, 128003), (6737, 63441), (7049, 60633), (9063, 47159), (20211, 21147)]