291258747

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{276599}}^1$

素因数の和:276624

約数の個数: 20

約数和(自身を含む): 468560400

約数和(自身を除く): 177301653

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 276599, 829797, 2489391, 3595787, 7468173, 10787361, 22404519, 32362083, 97086249, 291258747]

約数ペア:

[(1, 291258747), (3, 97086249), (9, 32362083), (13, 22404519), (27, 10787361), (39, 7468173), (81, 3595787), (117, 2489391), (351, 829797), (1053, 276599)]