28379295

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:589

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 30372705

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 59, 63, 105, 135, 177, 189, 295, 315, 413, 509, 531, 885, 945, 1239, 1527, 1593, 2065, 2545, 2655, 3563, 3717, 4581, 6195, 7635, 7965, 10689, 11151, 13743, 17815, 18585, 22905, 30031, 32067, 53445, 55755, 68715, 90093, 96201, 150155, 160335, 210217, 270279, 450465, 481005, 630651, 810837, 1051085, 1351395, 1891953, 3153255, 4054185, 5675859, 9459765, 28379295]

約数ペア:

[(1, 28379295), (3, 9459765), (5, 5675859), (7, 4054185), (9, 3153255), (15, 1891953), (21, 1351395), (27, 1051085), (35, 810837), (45, 630651), (59, 481005), (63, 450465), (105, 270279), (135, 210217), (177, 160335), (189, 150155), (295, 96201), (315, 90093), (413, 68715), (509, 55755), (531, 53445), (885, 32067), (945, 30031), (1239, 22905), (1527, 18585), (1593, 17815), (2065, 13743), (2545, 11151), (2655, 10689), (3563, 7965), (3717, 7635), (4581, 6195)]