28161795

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 47222784

約数和(自身を除く): 19060989

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 853, 1065, 2201, 2559, 4265, 6603, 11005, 12795, 26443, 33015, 60563, 79329, 132215, 181689, 302815, 396645, 908445, 1877453, 5632359, 9387265, 28161795]

約数ペア:

[(1, 28161795), (3, 9387265), (5, 5632359), (15, 1877453), (31, 908445), (71, 396645), (93, 302815), (155, 181689), (213, 132215), (355, 79329), (465, 60563), (853, 33015), (1065, 26443), (2201, 12795), (2559, 11005), (4265, 6603)]