245873901

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1097}}^1$

素因数の和:1941

約数の個数: 32

約数和(自身を含む): 404345088

約数和(自身を除く): 158471187

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 821, 1097, 2463, 3291, 5747, 7679, 10673, 14261, 17241, 23037, 32019, 42783, 74711, 99827, 224133, 299481, 900637, 2701911, 6304459, 11708281, 18913377, 35124843, 81957967, 245873901]

約数ペア:

[(1, 245873901), (3, 81957967), (7, 35124843), (13, 18913377), (21, 11708281), (39, 6304459), (91, 2701911), (273, 900637), (821, 299481), (1097, 224133), (2463, 99827), (3291, 74711), (5747, 42783), (7679, 32019), (10673, 23037), (14261, 17241)]