22278921

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 35589888

約数和(自身を除く): 13310967

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 371, 541, 777, 1113, 1623, 1961, 3787, 5883, 11361, 13727, 20017, 28673, 41181, 60051, 86019, 140119, 200711, 420357, 602133, 1060901, 3182703, 7426307, 22278921]

約数ペア:

[(1, 22278921), (3, 7426307), (7, 3182703), (21, 1060901), (37, 602133), (53, 420357), (111, 200711), (159, 140119), (259, 86019), (371, 60051), (541, 41181), (777, 28673), (1113, 20017), (1623, 13727), (1961, 11361), (3787, 5883)]