156728481

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3853}}^1$

素因数の和:4025

約数の個数: 32

約数和(自身を含む): 258988800

約数和(自身を除く): 102260319

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 1043, 1937, 3129, 3853, 5811, 11559, 13559, 26971, 40677, 50089, 80913, 150267, 350623, 574097, 1051869, 1722291, 4018679, 7463261, 12056037, 22389783, 52242827, 156728481]

約数ペア:

[(1, 156728481), (3, 52242827), (7, 22389783), (13, 12056037), (21, 7463261), (39, 4018679), (91, 1722291), (149, 1051869), (273, 574097), (447, 350623), (1043, 150267), (1937, 80913), (3129, 50089), (3853, 40677), (5811, 26971), (11559, 13559)]