1520996799

素因数分解:

$3^1\times 7^3\times {\mathrm{421}}^1\times {\mathrm{3511}}^1$

素因数の和:3956

約数の個数: 32

約数和(自身を含む): 2371302400

約数和(自身を除く): 850305601

約数列:

[1, 3, 7, 21, 49, 147, 343, 421, 1029, 1263, 2947, 3511, 8841, 10533, 20629, 24577, 61887, 73731, 144403, 172039, 433209, 516117, 1204273, 1478131, 3612819, 4434393, 10346917, 31040751, 72428419, 217285257, 506998933, 1520996799]

約数ペア:

[(1, 1520996799), (3, 506998933), (7, 217285257), (21, 72428419), (49, 31040751), (147, 10346917), (343, 4434393), (421, 3612819), (1029, 1478131), (1263, 1204273), (2947, 516117), (3511, 433209), (8841, 172039), (10533, 144403), (20629, 73731), (24577, 61887)]