30390975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7109}}^1$

素因数の和:7144

約数の個数: 36

約数和(自身を含む): 57306600

約数和(自身を除く): 26915625

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 7109, 21327, 35545, 63981, 106635, 135071, 177725, 319905, 405213, 533175, 675355, 1215639, 1599525, 2026065, 3376775, 6078195, 10130325, 30390975]

約数ペア:

[(1, 30390975), (3, 10130325), (5, 6078195), (9, 3376775), (15, 2026065), (19, 1599525), (25, 1215639), (45, 675355), (57, 533175), (75, 405213), (95, 319905), (171, 177725), (225, 135071), (285, 106635), (475, 63981), (855, 35545), (1425, 21327), (4275, 7109)]