28005525

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6551}}^1$

素因数の和:6586

約数の個数: 36

約数和(自身を含む): 52809120

約数和(自身を除く): 24803595

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 6551, 19653, 32755, 58959, 98265, 124469, 163775, 294795, 373407, 491325, 622345, 1120221, 1473975, 1867035, 3111725, 5601105, 9335175, 28005525]

約数ペア:

[(1, 28005525), (3, 9335175), (5, 5601105), (9, 3111725), (15, 1867035), (19, 1473975), (25, 1120221), (45, 622345), (57, 491325), (75, 373407), (95, 294795), (171, 163775), (225, 124469), (285, 98265), (475, 58959), (855, 32755), (1425, 19653), (4275, 6551)]