210542283

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 355170816

約数和(自身を除く): 144628533

約数列:

[1, 3, 7, 9, 21, 63, 97, 131, 263, 291, 393, 679, 789, 873, 917, 1179, 1841, 2037, 2367, 2751, 5523, 6111, 8253, 12707, 16569, 25511, 34453, 38121, 76533, 88949, 103359, 114363, 178577, 229599, 241171, 266847, 310077, 535731, 723513, 800541, 1607193, 2170539, 3341941, 10025823, 23393587, 30077469, 70180761, 210542283]

約数ペア:

[(1, 210542283), (3, 70180761), (7, 30077469), (9, 23393587), (21, 10025823), (63, 3341941), (97, 2170539), (131, 1607193), (263, 800541), (291, 723513), (393, 535731), (679, 310077), (789, 266847), (873, 241171), (917, 229599), (1179, 178577), (1841, 114363), (2037, 103359), (2367, 88949), (2751, 76533), (5523, 38121), (6111, 34453), (8253, 25511), (12707, 16569)]