39927921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 60870528

約数和(自身を除く): 20942607

約数列:

[1, 3, 11, 33, 37, 53, 111, 159, 407, 583, 617, 1221, 1749, 1851, 1961, 5883, 6787, 20361, 21571, 22829, 32701, 64713, 68487, 98103, 251119, 359711, 753357, 1079133, 1209937, 3629811, 13309307, 39927921]

約数ペア:

[(1, 39927921), (3, 13309307), (11, 3629811), (33, 1209937), (37, 1079133), (53, 753357), (111, 359711), (159, 251119), (407, 98103), (583, 68487), (617, 64713), (1221, 32701), (1749, 22829), (1851, 21571), (1961, 20361), (5883, 6787)]