28948725

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3299}}^1$

素因数の和:3331

約数の個数: 48

約数和(自身を含む): 57288000

約数和(自身を除く): 28339275

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2925, 3299, 8775, 9897, 16495, 29691, 42887, 49485, 82475, 89073, 128661, 148455, 214435, 247425, 385983, 445365, 643305, 742275, 1072175, 1157949, 1929915, 2226825, 3216525, 5789745, 9649575, 28948725]

約数ペア:

[(1, 28948725), (3, 9649575), (5, 5789745), (9, 3216525), (13, 2226825), (15, 1929915), (25, 1157949), (27, 1072175), (39, 742275), (45, 643305), (65, 445365), (75, 385983), (117, 247425), (135, 214435), (195, 148455), (225, 128661), (325, 89073), (351, 82475), (585, 49485), (675, 42887), (975, 29691), (1755, 16495), (2925, 9897), (3299, 8775)]