290400591

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{599}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 432230400

約数和(自身を除く): 141829809

約数列:

[1, 3, 13, 31, 39, 93, 401, 403, 599, 1203, 1209, 1797, 5213, 7787, 12431, 15639, 18569, 23361, 37293, 55707, 161603, 240199, 241397, 484809, 720597, 724191, 3122587, 7446169, 9367761, 22338507, 96800197, 290400591]

約数ペア:

[(1, 290400591), (3, 96800197), (13, 22338507), (31, 9367761), (39, 7446169), (93, 3122587), (401, 724191), (403, 720597), (599, 484809), (1203, 241397), (1209, 240199), (1797, 161603), (5213, 55707), (7787, 37293), (12431, 23361), (15639, 18569)]