278320395

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{4603}}^1$

素因数の和:4779

約数の個数: 32

約数和(自身を含む): 464083200

約数和(自身を除く): 185762805

約数列:

[1, 3, 5, 15, 29, 87, 139, 145, 417, 435, 695, 2085, 4031, 4603, 12093, 13809, 20155, 23015, 60465, 69045, 133487, 400461, 639817, 667435, 1919451, 2002305, 3199085, 9597255, 18554693, 55664079, 92773465, 278320395]

約数ペア:

[(1, 278320395), (3, 92773465), (5, 55664079), (15, 18554693), (29, 9597255), (87, 3199085), (139, 2002305), (145, 1919451), (417, 667435), (435, 639817), (695, 400461), (2085, 133487), (4031, 69045), (4603, 60465), (12093, 23015), (13809, 20155)]