28675845

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3049}}^1$

素因数の和:3090

約数の個数: 48

約数和(自身を含む): 57096000

約数和(自身を除く): 28420155

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 3049, 3135, 9147, 9405, 15245, 27441, 33539, 45735, 57931, 100617, 137205, 167695, 173793, 289655, 301851, 503085, 521379, 637241, 868965, 1509255, 1911723, 2606895, 3186205, 5735169, 9558615, 28675845]

約数ペア:

[(1, 28675845), (3, 9558615), (5, 5735169), (9, 3186205), (11, 2606895), (15, 1911723), (19, 1509255), (33, 868965), (45, 637241), (55, 521379), (57, 503085), (95, 301851), (99, 289655), (165, 173793), (171, 167695), (209, 137205), (285, 100617), (495, 57931), (627, 45735), (855, 33539), (1045, 27441), (1881, 15245), (3049, 9405), (3135, 9147)]