28733685

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 19166475

約数列:

[1, 3, 5, 15, 47, 53, 141, 159, 235, 265, 705, 769, 795, 2307, 2491, 3845, 7473, 11535, 12455, 36143, 37365, 40757, 108429, 122271, 180715, 203785, 542145, 611355, 1915579, 5746737, 9577895, 28733685]

約数ペア:

[(1, 28733685), (3, 9577895), (5, 5746737), (15, 1915579), (47, 611355), (53, 542145), (141, 203785), (159, 180715), (235, 122271), (265, 108429), (705, 40757), (769, 37365), (795, 36143), (2307, 12455), (2491, 11535), (3845, 7473)]