28212525

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11399}}^1$

素因数の和:11426

約数の個数: 36

約数和(自身を含む): 55130400

約数和(自身を除く): 26917875

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 11399, 34197, 56995, 102591, 125389, 170985, 284975, 376167, 512955, 626945, 854925, 1128501, 1880835, 2564775, 3134725, 5642505, 9404175, 28212525]

約数ペア:

[(1, 28212525), (3, 9404175), (5, 5642505), (9, 3134725), (11, 2564775), (15, 1880835), (25, 1128501), (33, 854925), (45, 626945), (55, 512955), (75, 376167), (99, 284975), (165, 170985), (225, 125389), (275, 102591), (495, 56995), (825, 34197), (2475, 11399)]