28809825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 53139456

約数和(自身を除く): 24329631

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 141, 165, 235, 275, 517, 705, 743, 825, 1175, 1551, 2229, 2585, 3525, 3715, 7755, 8173, 11145, 12925, 18575, 24519, 34921, 38775, 40865, 55725, 104763, 122595, 174605, 204325, 384131, 523815, 612975, 873025, 1152393, 1920655, 2619075, 5761965, 9603275, 28809825]

約数ペア:

[(1, 28809825), (3, 9603275), (5, 5761965), (11, 2619075), (15, 1920655), (25, 1152393), (33, 873025), (47, 612975), (55, 523815), (75, 384131), (141, 204325), (165, 174605), (235, 122595), (275, 104763), (517, 55725), (705, 40865), (743, 38775), (825, 34921), (1175, 24519), (1551, 18575), (2229, 12925), (2585, 11145), (3525, 8173), (3715, 7755)]