127668891

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 199438848

約数和(自身を除く): 71769957

約数列:

[1, 3, 7, 21, 53, 159, 251, 371, 457, 753, 1113, 1371, 1757, 3199, 5271, 9597, 13303, 24221, 39909, 72663, 93121, 114707, 169547, 279363, 344121, 508641, 802949, 2408847, 6079471, 18238413, 42556297, 127668891]

約数ペア:

[(1, 127668891), (3, 42556297), (7, 18238413), (21, 6079471), (53, 2408847), (159, 802949), (251, 508641), (371, 344121), (457, 279363), (753, 169547), (1113, 114707), (1371, 93121), (1757, 72663), (3199, 39909), (5271, 24221), (9597, 13303)]