13653913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 18144000

約数和(自身を除く): 4490087

約数列:

[1, 7, 13, 19, 53, 91, 133, 149, 247, 371, 689, 1007, 1043, 1729, 1937, 2831, 4823, 7049, 7897, 13091, 13559, 19817, 36803, 55279, 91637, 102661, 150043, 257621, 718627, 1050301, 1950559, 13653913]

約数ペア:

[(1, 13653913), (7, 1950559), (13, 1050301), (19, 718627), (53, 257621), (91, 150043), (133, 102661), (149, 91637), (247, 55279), (371, 36803), (689, 19817), (1007, 13559), (1043, 13091), (1729, 7897), (1937, 7049), (2831, 4823)]