2190645

素因数分解:

$3^6\times 5^1\times {\mathrm{601}}^1$

素因数の和:624

約数の個数: 28

約数和(自身を含む): 3947916

約数和(自身を除く): 1757271

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 601, 729, 1215, 1803, 3005, 3645, 5409, 9015, 16227, 27045, 48681, 81135, 146043, 243405, 438129, 730215, 2190645]

約数ペア:

[(1, 2190645), (3, 730215), (5, 438129), (9, 243405), (15, 146043), (27, 81135), (45, 48681), (81, 27045), (135, 16227), (243, 9015), (405, 5409), (601, 3645), (729, 3005), (1215, 1803)]