28184751

素因数分解:

$3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:908

約数の個数: 36

約数和(自身を含む): 48016800

約数和(自身を除く): 19832049

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 441, 553, 711, 809, 1659, 2427, 3871, 4977, 5663, 7281, 11613, 16989, 34839, 39641, 50967, 63911, 118923, 191733, 356769, 447377, 575199, 1342131, 3131639, 4026393, 9394917, 28184751]

約数ペア:

[(1, 28184751), (3, 9394917), (7, 4026393), (9, 3131639), (21, 1342131), (49, 575199), (63, 447377), (79, 356769), (147, 191733), (237, 118923), (441, 63911), (553, 50967), (711, 39641), (809, 34839), (1659, 16989), (2427, 11613), (3871, 7281), (4977, 5663)]