28561995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8243}}^1$

素因数の和:8272

約数の個数: 48

約数和(自身を含む): 61731072

約数和(自身を除く): 33169077

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 8243, 24729, 41215, 57701, 74187, 90673, 123645, 173103, 272019, 288505, 370935, 453365, 519309, 634711, 816057, 865515, 1360095, 1904133, 2596545, 3173555, 4080285, 5712399, 9520665, 28561995]

約数ペア:

[(1, 28561995), (3, 9520665), (5, 5712399), (7, 4080285), (9, 3173555), (11, 2596545), (15, 1904133), (21, 1360095), (33, 865515), (35, 816057), (45, 634711), (55, 519309), (63, 453365), (77, 370935), (99, 288505), (105, 272019), (165, 173103), (231, 123645), (315, 90673), (385, 74187), (495, 57701), (693, 41215), (1155, 24729), (3465, 8243)]