4021785

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^3$

素因数の和:107

約数の個数: 32

約数和(自身を含む): 7388160

約数和(自身を除く): 3366375

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 961, 1395, 2883, 4185, 4805, 8649, 14415, 25947, 29791, 43245, 89373, 129735, 148955, 268119, 446865, 804357, 1340595, 4021785]

約数ペア:

[(1, 4021785), (3, 1340595), (5, 804357), (9, 446865), (15, 268119), (27, 148955), (31, 129735), (45, 89373), (93, 43245), (135, 29791), (155, 25947), (279, 14415), (465, 8649), (837, 4805), (961, 4185), (1395, 2883)]