17872245

素因数分解:

$3^4\times 5^1\times {\mathrm{44129}}^1$

素因数の和:44146

約数の個数: 20

約数和(自身を含む): 32038380

約数和(自身を除く): 14166135

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 44129, 132387, 220645, 397161, 661935, 1191483, 1985805, 3574449, 5957415, 17872245]

約数ペア:

[(1, 17872245), (3, 5957415), (5, 3574449), (9, 1985805), (15, 1191483), (27, 661935), (45, 397161), (81, 220645), (135, 132387), (405, 44129)]