215260497

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1453}}^1$

素因数の和:1555

約数の個数: 40

約数和(自身を含む): 337793280

約数和(自身を除く): 122532783

約数列:

[1, 3, 9, 27, 31, 59, 81, 93, 177, 279, 531, 837, 1453, 1593, 1829, 2511, 4359, 4779, 5487, 13077, 16461, 39231, 45043, 49383, 85727, 117693, 135129, 148149, 257181, 405387, 771543, 1216161, 2314629, 2657537, 3648483, 6943887, 7972611, 23917833, 71753499, 215260497]

約数ペア:

[(1, 215260497), (3, 71753499), (9, 23917833), (27, 7972611), (31, 6943887), (59, 3648483), (81, 2657537), (93, 2314629), (177, 1216161), (279, 771543), (531, 405387), (837, 257181), (1453, 148149), (1593, 135129), (1829, 117693), (2511, 85727), (4359, 49383), (4779, 45043), (5487, 39231), (13077, 16461)]