27988065

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{4231}}^1$

素因数の和:4259

約数の個数: 48

約数和(自身を含む): 57893760

約数和(自身を除く): 29905695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 4231, 6615, 12693, 21155, 29617, 38079, 63465, 88851, 114237, 148085, 190395, 207319, 266553, 444255, 571185, 621957, 799659, 1036595, 1332765, 1865871, 3109785, 3998295, 5597613, 9329355, 27988065]

約数ペア:

[(1, 27988065), (3, 9329355), (5, 5597613), (7, 3998295), (9, 3109785), (15, 1865871), (21, 1332765), (27, 1036595), (35, 799659), (45, 621957), (49, 571185), (63, 444255), (105, 266553), (135, 207319), (147, 190395), (189, 148085), (245, 114237), (315, 88851), (441, 63465), (735, 38079), (945, 29617), (1323, 21155), (2205, 12693), (4231, 6615)]