221639103

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{5647}}^1$

素因数の和:5756

約数の個数: 36

約数和(自身を含む): 376665120

約数和(自身を除く): 155026017

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 4361, 5607, 5647, 13083, 16941, 39249, 39529, 50823, 118587, 276703, 355761, 502583, 830109, 1507749, 2490327, 3518081, 4523247, 10554243, 24626567, 31662729, 73879701, 221639103]

約数ペア:

[(1, 221639103), (3, 73879701), (7, 31662729), (9, 24626567), (21, 10554243), (49, 4523247), (63, 3518081), (89, 2490327), (147, 1507749), (267, 830109), (441, 502583), (623, 355761), (801, 276703), (1869, 118587), (4361, 50823), (5607, 39529), (5647, 39249), (13083, 16941)]