28870425

素因数分解:

$3^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:344

約数の個数: 60

約数和(自身を含む): 54689580

約数和(自身を除く): 25819155

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 81, 135, 159, 225, 265, 269, 405, 477, 675, 795, 807, 1325, 1345, 1431, 2025, 2385, 2421, 3975, 4035, 4293, 6725, 7155, 7263, 11925, 12105, 14257, 20175, 21465, 21789, 35775, 36315, 42771, 60525, 71285, 107325, 108945, 128313, 181575, 213855, 356425, 384939, 544725, 641565, 1069275, 1154817, 1924695, 3207825, 5774085, 9623475, 28870425]

約数ペア:

[(1, 28870425), (3, 9623475), (5, 5774085), (9, 3207825), (15, 1924695), (25, 1154817), (27, 1069275), (45, 641565), (53, 544725), (75, 384939), (81, 356425), (135, 213855), (159, 181575), (225, 128313), (265, 108945), (269, 107325), (405, 71285), (477, 60525), (675, 42771), (795, 36315), (807, 35775), (1325, 21789), (1345, 21465), (1431, 20175), (2025, 14257), (2385, 12105), (2421, 11925), (3975, 7263), (4035, 7155), (4293, 6725)]