28985205

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 47628288

約数和(自身を除く): 18643083

約数列:

[1, 3, 5, 15, 67, 151, 191, 201, 335, 453, 573, 755, 955, 1005, 2265, 2865, 10117, 12797, 28841, 30351, 38391, 50585, 63985, 86523, 144205, 151755, 191955, 432615, 1932347, 5797041, 9661735, 28985205]

約数ペア:

[(1, 28985205), (3, 9661735), (5, 5797041), (15, 1932347), (67, 432615), (151, 191955), (191, 151755), (201, 144205), (335, 86523), (453, 63985), (573, 50585), (755, 38391), (955, 30351), (1005, 28841), (2265, 12797), (2865, 10117)]