68880285

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 126741888

約数和(自身を除く): 57861603

約数列:

[1, 3, 5, 9, 15, 23, 45, 61, 69, 115, 183, 207, 305, 345, 549, 915, 1035, 1091, 1403, 2745, 3273, 4209, 5455, 7015, 9819, 12627, 16365, 21045, 25093, 49095, 63135, 66551, 75279, 125465, 199653, 225837, 332755, 376395, 598959, 998265, 1129185, 1530673, 2994795, 4592019, 7653365, 13776057, 22960095, 68880285]

約数ペア:

[(1, 68880285), (3, 22960095), (5, 13776057), (9, 7653365), (15, 4592019), (23, 2994795), (45, 1530673), (61, 1129185), (69, 998265), (115, 598959), (183, 376395), (207, 332755), (305, 225837), (345, 199653), (549, 125465), (915, 75279), (1035, 66551), (1091, 63135), (1403, 49095), (2745, 25093), (3273, 21045), (4209, 16365), (5455, 12627), (7015, 9819)]