28652865

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 47056896

約数和(自身を除く): 18404031

約数列:

[1, 3, 5, 15, 73, 137, 191, 219, 365, 411, 573, 685, 955, 1095, 2055, 2865, 10001, 13943, 26167, 30003, 41829, 50005, 69715, 78501, 130835, 150015, 209145, 392505, 1910191, 5730573, 9550955, 28652865]

約数ペア:

[(1, 28652865), (3, 9550955), (5, 5730573), (15, 1910191), (73, 392505), (137, 209145), (191, 150015), (219, 130835), (365, 78501), (411, 69715), (573, 50005), (685, 41829), (955, 30003), (1095, 26167), (2055, 13943), (2865, 10001)]