1326255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 2571264

約数和(自身を除く): 1245009

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 743, 1785, 2229, 3715, 5201, 11145, 12631, 15603, 26005, 37893, 63155, 78015, 88417, 189465, 265251, 442085, 1326255]

約数ペア:

[(1, 1326255), (3, 442085), (5, 265251), (7, 189465), (15, 88417), (17, 78015), (21, 63155), (35, 37893), (51, 26005), (85, 15603), (105, 12631), (119, 11145), (255, 5201), (357, 3715), (595, 2229), (743, 1785)]