131872257

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 214306560

約数和(自身を除く): 82434303

約数列:

[1, 3, 9, 11, 33, 59, 99, 107, 177, 211, 321, 531, 633, 649, 963, 1177, 1899, 1947, 2321, 3531, 5841, 6313, 6963, 10593, 12449, 18939, 20889, 22577, 37347, 56817, 67731, 69443, 112041, 136939, 203193, 208329, 248347, 410817, 624987, 745041, 1232451, 1332043, 2235123, 3996129, 11988387, 14652473, 43957419, 131872257]

約数ペア:

[(1, 131872257), (3, 43957419), (9, 14652473), (11, 11988387), (33, 3996129), (59, 2235123), (99, 1332043), (107, 1232451), (177, 745041), (211, 624987), (321, 410817), (531, 248347), (633, 208329), (649, 203193), (963, 136939), (1177, 112041), (1899, 69443), (1947, 67731), (2321, 56817), (3531, 37347), (5841, 22577), (6313, 20889), (6963, 18939), (10593, 12449)]