81553285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{2803}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 111644064

約数和(自身を除く): 30090779

約数列:

[1, 5, 11, 23, 55, 115, 253, 529, 1265, 2645, 2803, 5819, 14015, 29095, 30833, 64469, 154165, 322345, 709159, 1482787, 3545795, 7413935, 16310657, 81553285]

約数ペア:

[(1, 81553285), (5, 16310657), (11, 7413935), (23, 3545795), (55, 1482787), (115, 709159), (253, 322345), (529, 154165), (1265, 64469), (2645, 30833), (2803, 29095), (5819, 14015)]