3886394421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{302891}}^1$

素因数の和:302961

約数の個数: 32

約数和(自身を含む): 6513389568

約数和(自身を除く): 2626995147

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 302891, 908673, 2120237, 3937583, 6360711, 11812749, 14235877, 27563081, 42707631, 82689243, 99651139, 185066401, 298953417, 555199203, 1295464807, 3886394421]

約数ペア:

[(1, 3886394421), (3, 1295464807), (7, 555199203), (13, 298953417), (21, 185066401), (39, 99651139), (47, 82689243), (91, 42707631), (141, 27563081), (273, 14235877), (329, 11812749), (611, 6360711), (987, 3937583), (1833, 2120237), (4277, 908673), (12831, 302891)]