221427789

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{577}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 334592640

約数和(自身を除く): 113164851

約数列:

[1, 3, 11, 29, 33, 87, 319, 401, 577, 957, 1203, 1731, 4411, 6347, 11629, 13233, 16733, 19041, 34887, 50199, 127919, 184063, 231377, 383757, 552189, 694131, 2545147, 6709933, 7635441, 20129799, 73809263, 221427789]

約数ペア:

[(1, 221427789), (3, 73809263), (11, 20129799), (29, 7635441), (33, 6709933), (87, 2545147), (319, 694131), (401, 552189), (577, 383757), (957, 231377), (1203, 184063), (1731, 127919), (4411, 50199), (6347, 34887), (11629, 19041), (13233, 16733)]