28655277

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 45588480

約数和(自身を除く): 16933203

約数列:

[1, 3, 7, 21, 29, 87, 203, 211, 223, 609, 633, 669, 1477, 1561, 4431, 4683, 6119, 6467, 18357, 19401, 42833, 45269, 47053, 128499, 135807, 141159, 329371, 988113, 1364537, 4093611, 9551759, 28655277]

約数ペア:

[(1, 28655277), (3, 9551759), (7, 4093611), (21, 1364537), (29, 988113), (87, 329371), (203, 141159), (211, 135807), (223, 128499), (609, 47053), (633, 45269), (669, 42833), (1477, 19401), (1561, 18357), (4431, 6467), (4683, 6119)]