155765545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3361}}^1$

素因数の和:3433

約数の個数: 32

約数和(自身を含む): 216889344

約数和(自身を除く): 61123799

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 299, 403, 713, 1495, 2015, 3361, 3565, 9269, 16805, 43693, 46345, 77303, 104191, 218465, 386515, 520955, 1004939, 1354483, 2396393, 5024695, 6772415, 11981965, 31153109, 155765545]

約数ペア:

[(1, 155765545), (5, 31153109), (13, 11981965), (23, 6772415), (31, 5024695), (65, 2396393), (115, 1354483), (155, 1004939), (299, 520955), (403, 386515), (713, 218465), (1495, 104191), (2015, 77303), (3361, 46345), (3565, 43693), (9269, 16805)]