731680443

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 1232322000

約数和(自身を除く): 500641557

約数列:

[1, 3, 9, 13, 19, 39, 47, 57, 117, 141, 149, 171, 247, 423, 447, 611, 741, 893, 1341, 1833, 1937, 2209, 2223, 2679, 2831, 5499, 5811, 6627, 7003, 8037, 8493, 11609, 17433, 19881, 21009, 25479, 28717, 34827, 36803, 41971, 63027, 86151, 91039, 104481, 110409, 125913, 133057, 258453, 273117, 329141, 331227, 377739, 399171, 545623, 819351, 987423, 1197513, 1636869, 1729741, 2962269, 4278833, 4910607, 5189223, 6253679, 12836499, 15567669, 18761037, 38509497, 56283111, 81297827, 243893481, 731680443]

約数ペア:

[(1, 731680443), (3, 243893481), (9, 81297827), (13, 56283111), (19, 38509497), (39, 18761037), (47, 15567669), (57, 12836499), (117, 6253679), (141, 5189223), (149, 4910607), (171, 4278833), (247, 2962269), (423, 1729741), (447, 1636869), (611, 1197513), (741, 987423), (893, 819351), (1341, 545623), (1833, 399171), (1937, 377739), (2209, 331227), (2223, 329141), (2679, 273117), (2831, 258453), (5499, 133057), (5811, 125913), (6627, 110409), (7003, 104481), (8037, 91039), (8493, 86151), (11609, 63027), (17433, 41971), (19881, 36803), (21009, 34827), (25479, 28717)]