621865215

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{64879}}^1$

素因数の和:64964

約数の個数: 32

約数和(自身を含む): 1121126400

約数和(自身を除く): 499261185

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 64879, 194637, 324395, 583911, 973185, 1751733, 2919555, 4606409, 8758665, 13819227, 23032045, 41457681, 69096135, 124373043, 207288405, 621865215]

約数ペア:

[(1, 621865215), (3, 207288405), (5, 124373043), (9, 69096135), (15, 41457681), (27, 23032045), (45, 13819227), (71, 8758665), (135, 4606409), (213, 2919555), (355, 1751733), (639, 973185), (1065, 583911), (1917, 324395), (3195, 194637), (9585, 64879)]