28270359

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 17960553

約数列:

[1, 3, 9, 13, 39, 47, 53, 97, 117, 141, 159, 291, 423, 477, 611, 689, 873, 1261, 1833, 2067, 2491, 3783, 4559, 5141, 5499, 6201, 7473, 11349, 13677, 15423, 22419, 32383, 41031, 46269, 59267, 66833, 97149, 177801, 200499, 241627, 291447, 533403, 601497, 724881, 2174643, 3141151, 9423453, 28270359]

約数ペア:

[(1, 28270359), (3, 9423453), (9, 3141151), (13, 2174643), (39, 724881), (47, 601497), (53, 533403), (97, 291447), (117, 241627), (141, 200499), (159, 177801), (291, 97149), (423, 66833), (477, 59267), (611, 46269), (689, 41031), (873, 32383), (1261, 22419), (1833, 15423), (2067, 13677), (2491, 11349), (3783, 7473), (4559, 6201), (5141, 5499)]