28283931

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 45899840

約数和(自身を除く): 17615909

約数列:

[1, 3, 9, 13, 27, 39, 61, 117, 183, 351, 549, 793, 1321, 1647, 2379, 3963, 7137, 11889, 17173, 21411, 35667, 51519, 80581, 154557, 241743, 463671, 725229, 1047553, 2175687, 3142659, 9427977, 28283931]

約数ペア:

[(1, 28283931), (3, 9427977), (9, 3142659), (13, 2175687), (27, 1047553), (39, 725229), (61, 463671), (117, 241743), (183, 154557), (351, 80581), (549, 51519), (793, 35667), (1321, 21411), (1647, 17173), (2379, 11889), (3963, 7137)]