340425

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:122

約数の個数: 36

約数和(自身を含む): 652860

約数和(自身を除く): 312435

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 89, 153, 225, 255, 267, 425, 445, 765, 801, 1275, 1335, 1513, 2225, 3825, 4005, 4539, 6675, 7565, 13617, 20025, 22695, 37825, 68085, 113475, 340425]

約数ペア:

[(1, 340425), (3, 113475), (5, 68085), (9, 37825), (15, 22695), (17, 20025), (25, 13617), (45, 7565), (51, 6675), (75, 4539), (85, 4005), (89, 3825), (153, 2225), (225, 1513), (255, 1335), (267, 1275), (425, 801), (445, 765)]