215205122013

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10061}}^1\times {\mathrm{27529}}^1$

素因数の和:37637

約数の個数: 32

約数和(自身を含む): 336840341760

約数和(自身を除く): 121635219747

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 10061, 27529, 30183, 70427, 82587, 192703, 211281, 372257, 578109, 1018573, 1116771, 2605799, 3055719, 7130011, 7817397, 21390033, 276969269, 830907807, 1938784883, 5816354649, 10247862953, 30743588859, 71735040671, 215205122013]

約数ペア:

[(1, 215205122013), (3, 71735040671), (7, 30743588859), (21, 10247862953), (37, 5816354649), (111, 1938784883), (259, 830907807), (777, 276969269), (10061, 21390033), (27529, 7817397), (30183, 7130011), (70427, 3055719), (82587, 2605799), (192703, 1116771), (211281, 1018573), (372257, 578109)]