891309645

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{421423}}^1$

素因数の和:421481

約数の個数: 24

約数和(自身を含む): 1577811456

約数和(自身を除く): 686501811

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 421423, 1264269, 2107115, 3792807, 6321345, 18964035, 19806881, 59420643, 99034405, 178261929, 297103215, 891309645]

約数ペア:

[(1, 891309645), (3, 297103215), (5, 178261929), (9, 99034405), (15, 59420643), (45, 19806881), (47, 18964035), (141, 6321345), (235, 3792807), (423, 2107115), (705, 1264269), (2115, 421423)]