27840309

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 44077056

約数和(自身を除く): 16236747

約数列:

[1, 3, 7, 21, 47, 67, 141, 201, 329, 421, 469, 987, 1263, 1407, 2947, 3149, 8841, 9447, 19787, 22043, 28207, 59361, 66129, 84621, 138509, 197449, 415527, 592347, 1325729, 3977187, 9280103, 27840309]

約数ペア:

[(1, 27840309), (3, 9280103), (7, 3977187), (21, 1325729), (47, 592347), (67, 415527), (141, 197449), (201, 138509), (329, 84621), (421, 66129), (469, 59361), (987, 28207), (1263, 22043), (1407, 19787), (2947, 9447), (3149, 8841)]