28753065

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2003}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 56272320

約数和(自身を除く): 27519255

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 2003, 2871, 4785, 6009, 10015, 14355, 18027, 22033, 30045, 58087, 66099, 90135, 110165, 174261, 198297, 290435, 330495, 522783, 638957, 871305, 991485, 1916871, 2613915, 3194785, 5750613, 9584355, 28753065]

約数ペア:

[(1, 28753065), (3, 9584355), (5, 5750613), (9, 3194785), (11, 2613915), (15, 1916871), (29, 991485), (33, 871305), (45, 638957), (55, 522783), (87, 330495), (99, 290435), (145, 198297), (165, 174261), (261, 110165), (319, 90135), (435, 66099), (495, 58087), (957, 30045), (1305, 22033), (1595, 18027), (2003, 14355), (2871, 10015), (4785, 6009)]