158432841

素因数分解:

$3^7\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 277094400

約数和(自身を除く): 118661559

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 131, 189, 237, 243, 393, 553, 567, 711, 729, 917, 1179, 1659, 1701, 2133, 2187, 2751, 3537, 4977, 5103, 6399, 8253, 10349, 10611, 14931, 15309, 19197, 24759, 31047, 31833, 44793, 57591, 72443, 74277, 93141, 95499, 134379, 172773, 217329, 222831, 279423, 286497, 403137, 651987, 668493, 838269, 1209411, 1955961, 2005479, 2514807, 5867883, 7544421, 17603649, 22633263, 52810947, 158432841]

約数ペア:

[(1, 158432841), (3, 52810947), (7, 22633263), (9, 17603649), (21, 7544421), (27, 5867883), (63, 2514807), (79, 2005479), (81, 1955961), (131, 1209411), (189, 838269), (237, 668493), (243, 651987), (393, 403137), (553, 286497), (567, 279423), (711, 222831), (729, 217329), (917, 172773), (1179, 134379), (1659, 95499), (1701, 93141), (2133, 74277), (2187, 72443), (2751, 57591), (3537, 44793), (4977, 31833), (5103, 31047), (6399, 24759), (8253, 19197), (10349, 15309), (10611, 14931)]